Hydroballistics
水下弹道学
🗣️ 情景例句
Can you tell me about how long it'll take to get to...?
你能告诉我到……有多远吗？
You were here in February,weren't you?
二月份你曾在这里，对不对？
Shall I call you James or Jim?
我是叫你詹姆斯呢还是叫你吉姆？