B-1s
【航空学】美国空军于1974年首次飞行的远程超音速轰炸机；【军事】(美制)B—1轰炸机
🗣️ 情景例句
If you cheat in a test, you've really only cheating yourself.
如果你在测验中作弊的话，你欺骗的只有你自己。
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
Gesticulating wildly, the man acted as if he found my offer outrageous, but he eventually reduced the price to $10.
那人激动地打着手势，仿佛我的出价使他不能容忍。但他终于把价钱降到了10英镑。