Hydrodynamics
n. 流体力学, 水动力学\\n[化] 流体动力学
🗣️ 情景例句
I've got three days off next week.
下星期我有三天假。
There's many a good tune played on an old fiddle.
老当益壮。
Hello! Did you enjoy yourselves at the party ?
你好！你们在晚会上玩得愉快吗？