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
At any rate, our country and the United States need each other.
总而言之，我国与美国相互需要。
Marriage is a lottery.
婚姻是一件难于预料的事。
I can't remember. Did I put them under the table?
我想不起来了。 放在桌子下面了吗？