Thrs
abbr. time history generated response spectrum 产生反应谱的时程曲线
🗣️ 情景例句
How can you do business with the americans? You'll need to improve your English first.
你怎么能与美国人做生意？你得先提高自己的英文水平。
What's the name of the cat?
这猫叫什么名字？
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。