Dars
abbr. differential absorption remote sensing (laser) 差分吸收远程感知（激光）
🗣️ 情景例句
I don't know if I can get to sleep.
我不知道我能否睡得着。
Thank you.
谢谢。
Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.
防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮助窃贼入室行窃。