必要 bì yào necessary / essential / indispensable / required syn 必需 bì xū to need / to require / essential / indispensable syn 要点 要點 yào diǎn main point / essential syn 主流 zhǔ liú main stream (of a river) / fig. the essential point / main viewpoint of a matter / mainstream (culture etc) syn 要素 yào sù essential factor / key constituent syn 必需品 bì xū pǐn necessity / essential (thing) syn 必备 必備 bì bèi essential syn 闪光点 閃光點 shǎn guāng diǎn lit. flash point / crucial point / essential point 必不可少 bì bù kě shǎo absolutely necessary / indispensable / essential syn 可有可无 可有可無 kě yǒu kě wú not essential / dispensable syn 民族主义 民族主義 mín zú zhǔ yì nationalism / national self-determination / principle of nationalism, the first of Dr Sun Yat-sen's 孫中山|孙中山 Three Principles of the People 三民主義|三民主义 (at the time, meaning parity between China and the great powers) / racism 平价 平價 píng jià reasonably priced / inexpensive / to keep prices down / (currency exchange) parity 对等 對等 duì děng equal status / equal treatment / parity (under the law) / equity / reciprocity syn 纲要 綱要 gāng yào outline / essential points syn 切切 qiè qiè urgently / eagerly / worried / (urge sb to) be sure to / it is absolutely essential to (follow the above instruction) syn 因噎废食 因噎廢食 yīn yē fèi shí lit. not eating for fear of choking (idiom) / fig. to cut off one's nose to spite one's face / to avoid sth essential because of a slight risk syn 精油 jīng yóu essential oil 比价 比價 bǐ jià to compare prices / to compare offers / price ratio / price parity / rate of exchange 奇偶 jī ǒu parity / odd and even 赖氨酸 賴氨酸 lài ān suān lysine (Lys), an essential amino acid 蛋氨酸 dàn ān suān methionine (Met), an essential amino acid 精氨酸 jīng ān suān argnine (Arg), an essential amino acid 色氨酸 sè ān suān tryptophan (Trp), an essential amino acid 至关重要 至關重要 zhì guān zhòng yào extremely important / vital / crucial / essential syn 苏氨酸 蘇氨酸 sū ān suān threonine (Thr), an essential amino acid 卟啉 bǔ lín porphyrin (organic chemical essential to hemoglobin and chlorophyll) (loanword) 亮氨酸 liàng ān suān leucine (Leu), an essential amino acid 奇偶性 jī ǒu xìng parity (odd or even) 组氨酸 組氨酸 zǔ ān suān histidine (His), an essential amino acid 异亮氨酸 異亮氨酸 yì liàng ān suān isoleucine (Ile), an essential amino acid 本性难移 本性難移 běn xìng nán yí It is hard to change one's essential nature (idiom). You can't change who you are. / Can the leopard change his spots? (Jeremiah 13:23) 万不得已 萬不得已 wàn bù dé yǐ only when absolutely essential (idiom) / as a last resort syn 核均势 核均勢 hé jūn shì nuclear parity 巨无霸指数 巨無霸指數 jù wú bà zhǐ shù Big Mac Index, a measure of the purchasing power parity (PPP) between currencies 购买力平价 購買力平價 gòu mǎi lì píng jià purchasing power parity 两性均等 liǎng xìng jūn děng gender parity 常规力量均衡 conventional parity 产次 產次 chǎn cì parity 经产数 經產數 parity 男女识字比率 男女識字比率 literacy gender parity index 平均生育数目 平均生育數目 average parity 相对购买力平价 相對購買力平價 relative purchasing power parity 巨无霸汉堡包指数 巨無霸漢堡包指數 jù wú bà hàn bǎo bāo zhǐ shù Big Mac Index, a measure of the purchasing power parity (PPP) between currencies 人精 rén jīng sophisticate / man with extensive experience / child prodigy / Wunderkind (i.e. brilliant child) / spirit within a person (i.e. blood and essential breath 血氣|血气 of TCM) 切要 qiè yào essential / extremely important 甲硫氨酸 jiǎ liú ān suān methionine (Met), an essential amino acid 神髓 shén suǐ lit. spirit and marrow / the essential character 精讲多练 精講多練 jīng jiǎng duō liàn a teaching strategy combining a concise explanation of essential concepts with frequent practice 缬氨酸 纈氨酸 xié ān suān valine (Val), an essential amino acid 苯丙氨酸 běn bǐng ān suān phenylalanine (Phe), an essential amino acid 贾思勰 賈思勰 jiǎ sī xié Jia Sixie, sixth century writer and author of agricultural encyclopedia Essential skill to benefit the people 齊民要術|齐民要术[Qi2 min2 Yao4 shu4] 风油精 風油精 fēng yóu jīng essential balm containing menthol, eucalyptus oil etc, used as a mosquito repellant 齐民要术 齊民要術 qí mín yào shù Essential skill to benefit the people, sixth century encyclopedia of agricultural knowledge by Jia Sixie 賈思勰|贾思勰[Jia3 Si1 xie2] 不可少 bù kě shǎo indispensable / essential 基本服务一揽子方桉 基本服務一攬子方案 Essential Services Package 区域间必需药品方桉 區域間必需藥品方案 Interregional programme for essential drugs 必需药品行动纲领 Action Programme on Essential Drugs 必需药品和疫苗行动纲领 Action Programme on Essential Drugs and Vaccines 基本立法联合委员会 基本立法聯合委員會 Joint Commission on Essential Legislation 阿富汗妇女基本权利宣言 阿富汗婦女基本權利宣言 Declaration of the Essential Rights of Afghan Women 恢复萨拉热窝基本公用事业行动计划 恢複薩拉熱窩基本公用事業行動計劃 Plan of Action to Restore Essential Public Services in Sarajevo 必要工作人员 必要工作人員 essential staff / critical staff 直接和重要军事支援设施 直接和重要軍事支援設施 direct and essential military support facilities 坦桑尼亚基本卫生措施项目 坦桑尼亞基本衛生措施項目 tǎn sāng ní yà jī běn wèi shēng cuò shī xiàng mù Tanzania Essential Health Interventions Project 必要技术 必要技術 essential technology 维持和平利用外层空间必要条件研讨会 維持和平利用外層空間必要條件研討會 Symposium on Conditions Essential for Maintaining Outer Space for Peaceful Purposes 必需药品方桉 必需藥品方案 Essential Drugs Programme 必需药品价目表 必需藥品價目表 essential drugs price list 必需药品包 必需藥品包 essential drug kit 必需药品示范表 必需藥品示範表 model list of essential drugs 必需药品 必需藥品 essential drugs 基本化学品 基本化學品 essential chemical 基本设备清单 基本設備清單 essential equipment list 基本学习用品包 基本學習用品包 Essential Learning Package 儿童和母亲必需药品方桉 兒童和母親必需藥品方案 Programme of Essential Medicines for Children and Their Mothers 非必要服务 非必要服務 non-essential service 务期 務期 wù qī it is essential to (complete a project on time, be thorough etc) syn 重头 重頭 zhòng tóu main / most important / essential / important part 