Pholocatalyst
[医] 光催化剂
🗣️ 情景例句
My name is Wang Feng and I'm calling to cancel plane ticket.
我叫王峰，我想取消我预定的飞机票。
I told him last Tuesday.
我上个星期二告诉他。
I can see you have put a lot of time into it.
我相信你在制定这个计划上一定花了不少精力吧。