Photelometer
[医] 光电比色计
🗣️ 情景例句
Oh, you're welcome.
噢！请别客气。
It's a shame I haven't seen more of you these recent years.
真遗憾，最近几年我未能见到你。
Yes, I do. I have two, a son and a daughter.
有两个，一个儿子，一个女儿。