Phthoric acid
[化] 氢氟酸
🧩 词语组成解析
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
You've got plenty of time. That's $7.65.
你还富有很多时间。请付7。65美元。
Drinks can be cooled by placing them on ice rather than adding ice to them.
可以把饮料置于冰块之上来冷却，而不是把冰块加进饮料之中。