B-47s
【航空学】一种有六引擎喷气发动机的轰炸机
🗣️ 情景例句
He owes his success more to luck than to ability.
他认为他的成功是靠运气而不是靠自己的能力。
Won't you have a bit of this cake?
请尝一点蛋糕吧！
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。