Spationautics
宇宙航行学
🗣️ 情景例句
I'm experienced in IBM-PC and Great Wall computers.
我熟悉IBM-PC和长城电脑。
Honest men marry soon, wise men not at all.
诚实的人马上结婚，聪明的人就不这样。
I was at the greengrocer's.
我在蔬菜水果店里。