B-17s
【航空学】第二次世界大战中使用的一种四引擎中翼轰炸机\\nn. 17's = Flying Fortress
🗣️ 情景例句
I'm surprised they're not here.
我奇怪他们怎么没来。
If your prices are more favorable than those of your competitors we shall send you our order.
如果你方价格比其他竞争对手的优惠，我们将向你们订货。
No, I need to talk to the home office.
不，我得先跟总公司谈谈。