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
Hello.
您好。
One drop of poison infects the whole tun of wine.
一滴之毒，毒染整桶之酒。
What was to become of them all, he wondered.
他们这些人会怎么样呢？他感到很纳闷。