Ethoxylate
乙氧基化物
🗣️ 情景例句
Tell her I'll call her right back.
告诉她我会马上给她回电话的。
I'd like to make an appointment with Professor Smith. Would 9:00 tomorrow be all right?
我想和史密斯教授约个会面时间。明天9点行吗？
Think carefully before you act.
三思而后行。