Acyl derivative
[建] 酰基衍生物
🧩 词语组成解析
n. [化]酰基
derivative
[di'rivətiv]
n. [数]导数，微商;[化] 衍生物，派生物;[语]派生词;
adj. 衍生的;导出的;拷贝的;
🗣️ 情景例句
But there are one point which I'd like to bring up about the packing.
不过还有一点我得提出来，关于包装问题。
I don't have a phonograph,either.
我也没有留声机。
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。