Ir
[化] 红外光谱法\\n[医] 铱(77号原素)
🗣️ 情景例句
Say hi to your dad for me, and drive safely.
路上小心开车，并请向代我向令尊问好。
This is the book that I promised to lend you.
这就是我答应借给你的那本书。
Yes, please. That would be kind of you.
是啊。你真好！