Photechy
[医] 辐射感应性
🗣️ 情景例句
Hello. Mr. Carlson, please.
哈喽 ，请找一下Carlson先生。
I imagine I'll do some work instead of going to the movies.
我想我将做一些工作而不是去看电影。
What happened before printing was invented?
印刷术发明以前是怎么一回事？