Deceleron
n. (喷气机上的)减速列翼
🗣️ 情景例句
This is the big moment.
这可是关键时刻。
He is unfortunate who cannot bear misfortune.
不能承受不幸的就是不幸。
Similarly, our own present primitive chemical rockets, though good enough to orbit men,
同样，我们目前使用的原始化学火箭，虽然可以把人送入轨道，