Dichromate
n. 重铬酸盐\\n[化] 重铬酸盐(或酯)
✅ 同义词
🗣️ 情景例句
Why is that necessary?
为什么有此必要
Don't teach your grandmother to suck eggs.
休要班门弄斧。
I'd like to look this over before I sign it.
签约之前我想再看过一遍。