Prelaser
a. 激光照射前的\\nn. 激光敏感剂
🗣️ 情景例句
I just received your letter and I want to let you know my opinion on your plans for the future.
来信已收到，我想告诉你我对你将来打算的看法。
It is not work that kills, but worry.
劳动不伤人，忧虑才伤人。
Your account is way past due.
你的户头过期未付太久了。