Radon content
[医] 氡含量
🧩 词语组成解析
radon
['reidɔn]
n. <化>氡（元素符号Rn）;
🗣️ 情景例句
Get outta here!
出去！
Would you like to leave a message?
你想留下一条消息吗？
Were there any telephone messages for me while I was away?
我外出期间有我的电话吗？