Xlc
abbr. xenon lamp collimator 氙灯平行光管，氙灯准直仪
🗣️ 情景例句
I really appreciate you coming over to help me with my math.
我真的很感谢你过来帮我补习数学。
It is more pain to do nothing than something.
什么都不做要比做一点更不好受。
It also provides--and some student sociologist might care to base his thesis upon the phenomenon--an escape of another kind.
学社会学的大学生来露营是另一种形式的摆脱现实，他们的目的很可能是根据观察到的露营现象去写论文。