Unstable isotope
[电] 不稳定同位素
🧩 词语组成解析
🗣️ 情景例句
The firm isn't making out as well as was hoped.
公司并不像原来期望的那样进展顺利。
He that talks much lies much.
多嘴的人说谎也多。
I suppose it's better to be safe than sick.
我想安全总要比生病好。