Tishchenko preparation of esters
[化] 季先科酯制备
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
[医]酯类
🗣️ 情景例句
I've just been robbed. What should I do?
我刚刚被抢劫了，现在不知道该怎么办？
To beat
殴打，打击
Are you ready to sign?
准备好可以签名了吗？