Radioactive decay series
[化] 放射性衰变系
🧩 词语组成解析
🗣️ 情景例句
No problem, Grandpa.
没有关系爷爷。
When the fox preaches, take care of your geese.
佛口蛇心。
I was not surprised to find that the machine still refused to work after I had reassembled it,
等我装完后，那台割草机仍然一动不动，对此我倒并不感到吃惊。