Prelaser
a. 激光照射前的\\nn. 激光敏感剂
🗣️ 情景例句
What about your arms? Lift your arms up like this.
你胳膊怎么样?手抬起来， 像这样。
The school is just around the corner.
学校只在拐角附近。
Excuse me, Han Meimei. I can't find the broom. Can you see it?
我找不到扫帚了，韩梅梅，你看见了吗？