Analytical concentration
[化] 分析浓度
🧩 词语组成解析
🗣️ 情景例句
This is very helpful, Mrs. Martinelli.
这样很有用， Martinelli太太。
It's only a suggestion,and you can do what you please.
它仅仅是一个建议，你能做你喜欢的东西。
We were so excited, my brother and I, that we did not get to sleep until very late.
我们太激动，以至于我和我弟到很晚才睡得着。