Prelaser
a. 激光照射前的\\nn. 激光敏感剂
🗣️ 情景例句
I don't envy him his money problems.
我庆幸自己没有他那些金钱的烦恼。
Where there is no good within, no good comes out.
没有内心的美，就没有外在的美。
I come from England.
我是英国人。