Hydrokinematics
流体运动学
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
What are you planning to do?
你打算做些什么？[两次疯狂张嘴，现金次舀水动作]
The temperature drops to -- 30 o and very few people attempt to cross the Pass.
气温下降到零下30度，试图跨越山口的人寥寥无几。