Hydrodynamics
n. 流体力学, 水动力学\\n[化] 流体动力学
🗣️ 情景例句
Look, the Kramers are showing off in their new convertible.
看，克来姆一家在炫耀他们的新敞蓬车。
There is no royal road to learning.
治学无坦途。
OK!
好吧！