Prelaser
a. 激光照射前的\\nn. 激光敏感剂
🗣️ 情景例句
I intend to major in economics in college.
我想在大学里主修经济学。
I can speak English.
我会说英语。
The curtain went up on the final act of the play and revealed the aristocrat sitting alone behind bars in his dark cell.
大幕拉开，最后一幕戏开演，贵族独自一人坐在铁窗后阴暗的牢房里。