Ncec
[医][=National Clearinghouse on Environmental Carcinogenesis]全国环境致癌作用情报交流所
🗣️ 情景例句
It's great to see you!
真高兴见到你！
Where were you born?
你出生在什么地方？
Hello, I'm Bill. What's your name?
你好，我叫比尔。你叫什么名字？