Precipitin
n. 沉淀素\\n[化] 沉淀素
🗣️ 情景例句
We're talking about buying
我们在商量购买
Are you going to have dinner at home tomorrow night?
你明天晚上在家吃晚饭吗？
Are you going to ship this by air?
这批货你要用空运的吗？