Essential amino acid

[化] 必需氨基酸

🧩 词语组成解析

essential [ɪ'sɛnʃl]
adj. 基本的;必要的;本质的;精华的; n. 必需品;基本要素;必不可少的东西;
essent=be存在,本质 + ial ...的 → 必要的,本质的
amino
a. 氨基的\\n[医] 氨基
acid ['æsɪd]
adj. 酸味的;尖刻的;酸的;酸性的; n. <化>酸;酸味物质;
acid尖,酸,锐利 →酸;酸的,酸性的

🗣️ 情景例句

Good. Do you have any back or knee problems?
好。你的背部和膝关节有什么毛病吗
Our new product line has been very successful. We've expanded the factory twice this year already.
我们新的生产线非常成功,我们今年已把工厂扩展了两倍。
This exhibition received a great deal of attention in the press, for though the pictures were supposed to be the work of famous artists, they had in fact been painted by Dickie.
这次展览引起报界广泛注意,因为这些画名义上是名家的作品,事实上是迪基自己画的。
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