Biocosmonautics
[pl. ][用作单]生物宇宙航行学
🗣️ 情景例句
You're right.
你说的对。
To a boiling pot flies come not.
苍蝇不叮沸水壶。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，