Hydordynanmics
[机] 流体力学, 流体动力学
🗣️ 情景例句
I'm afraid I'll be tied up tomorrow at ten.
恐怕明天上午10点我很忙。
It's $30.00 one way or $55.00 round trip.
单程票价30美元，来回票价55美元。
Reporters kept pressing for interviews so lawyers had to be employed to act as spokesmen for the family at press conferences.
由于记者纷纷要求会见，他们不得不请了律师充当他们家的发言人举行记者招待会。