Thorium decay series
[化] 钍衰变系
🧩 词语组成解析
n. 钍\\n[化] 钍Th
🗣️ 情景例句
Thank you.
谢谢你 。
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
We need our order separated into three different boxes.
我们订的货需要分装三箱。