Hydrokinetics
n. 流体动力学, 液体动力学\\n[医] 流体动力学
🗣️ 情景例句
We want to be sure that you're responsible
我们要确定你是肯负责的，
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
I will never forget it.
我会记着的。