Ballisties
[机] 弹道学
🗣️ 情景例句
Amtrak is happy to announce our arrival in New York City.
我们很高兴报告诸位 Amtrak火车就要到达纽约了。
Could I have the bill, please?
请把帐单给我好吗？
But then another question came up.
但是另一个问题出现了。