B-29s
【航空学】第二次世界大战中使用的一种四引擎轰炸机\\nn. 29's = Superfortress
🗣️ 情景例句
Can I help you?
我可以帮上忙吗？
My cousin is a member of a stamp club, He seems stamp collecting.
我的表兄是一个集邮俱乐部成员，他似乎很喜欢集邮。
No. It has nothing to do with it at all.
没有。它和我的研究一点关系都没有。