Lif
[化] 激光诱导荧光
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
Thank you very much. Here's $10.00. Give me $1.00 back, please.
太谢谢你了。这是10美元，找我1美元就行了。
This bedroom's very untidy.
这卧室太不整洁了。