Fission product
[医] 核裂产物
🧩 词语组成解析
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
If things were to be done twice all would be wise.
事事倘能做两次，人人都可称明智。
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。