Radioactive decay series
[化] 放射性衰变系
🧩 词语组成解析
🗣️ 情景例句
I also have my daughter to consider.
我还要考虑我女儿。
The world is a ladder for some to go up and others to go down.
世界好似一把梯，有人上去有人下。
Use this treatment twice a day for a week. And another thing, at the end of the week, throw the frozen peas away. They won't be fit to eat.
一天治疗两次，一周为一个疗程。还有，一周以后要把冻豌豆扔掉。它们不能吃。