Hydroballistics
水下弹道学
🗣️ 情景例句
Yeah. My new advanced exercise class.
对， 新的高级健身班。
I've had this cough for a week now.
我这样咳嗽已经一周了。
But you still haven't explained what you're doing here.
啊，你还没有说你是来干什么的。