Actinouranium decay series
[化] 锕铀衰变系
🧩 词语组成解析
n. [化]锕铀
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
If you compare her work with his, you'll find hers is much better.
要是把他们俩的工作比较一下，你就会发现她的好得多。
The maximum weight allowance is 60 kilos per traveler, excluding hand luggage.
每个旅客托运的行李最大重量限额是60公斤，手提行李除外。