Alkyl derivative
[机] 烷基衍生物, 烃基衍生物
🧩 词语组成解析
n. 烷基, 烃基\\na. 烷基的, 烃基的
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
Is unable to express himself clearly.
不能很好地表达自己。
I asked him to fix it for me, but he wouldn't.
我请他帮我修理，但是他不肯。
Yes, I'm sorry about that. I think we just had a misunderstanding about the plan, but I was very disappointed not to be going out. So I got angry and started shouting at you.
是的，那件事我很抱歉。我想我们只是对于外出计划有误解罢了，不过没能外出我很失望。所以我就生气了，开始冲你大喊大叫。