Scramjet
n. 超音速燃烧冲压喷气发动机
🗣️ 情景例句
I'm very sorry.
非常抱歉。
He's the same as always.
他还是老样子。
I smoked with concentration and pleasure as I was sure that this would be my last cigarette.
我聚精会神而又愉快地吸着这枝烟。因为我确信这是我最后一枝烟了。