Astronautics
n. 航天学, 宇宙航行
✅ 同义词
📖 牛津释义
astronautics
n[sing v]
science and technology of space travel 航天学; 太空飞行学.
🗣️ 情景例句
And give her a teaspoon of the medicine after every meal.
每餐之后给她吃一茶匙的药。
If he doesn't, will you buy one?
如果他不，你会买一个吗？
He has always been a good neighbour.
他一直是个好邻居。