Biospeleology
n. 穴居生物学
🗣️ 情景例句
I needed that.
我正需要这个。
Do you have any seats?
你有座位吗？
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。