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 see under activities that
我注意到在 活动 项目中提到
When the dog needs a bath, he begins to stink.
当那条狗想要入浴的时候，已经开始发臭了。
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。