Prelaser
a. 激光照射前的\\nn. 激光敏感剂
🗣️ 情景例句
I never liked that umbrella stand.
我一直嫌那伞架碍事。
Maybe we could start with the Designing Department.
也许我们可以先参观一下设计部门。
He gets back home at a quarter past five.
15回到家。