Non-essential amino acid

[化] 非必需氨基酸

🧩 词语组成解析

non [[nɔn]]
adv. 非, 不
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

My company is a member of TOPS.
我的公司也是优秀老人协会的会员。
I read a magazine in bed.
我躺在床上看杂志。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的,因为当时人们面临着了解四季的实际需要,
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🔤 更多 N 开头的单词

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