Commercial naphthenic acid
[建] 求工业用环烷酸, 商品脂环酸
🧩 词语组成解析
adj. 商业的;贸易的;营利的;靠广告收入的;
n. (电台或电视播放的)广告;
com共同+merc交易+ial...的→共同交易的→商业的
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
Can you weigh this for me?
你能帮我称称这(包裹)吗?
Half the world knows not how the other half lives.
富人不知穷人苦。
and of what had previously been wrong with his wife,
也不知道他妻子以前得的是什么病,
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