Ncec
[医][=National Clearinghouse on Environmental Carcinogenesis]全国环境致癌作用情报交流所
🗣️ 情景例句
He's working with me during the summer months as an intern.
在夏天的这几个月到我这里来当实习生。
If you had gotten up earlier,you would have had time for breakfast.
如果你更早起床，你就有时间吃早餐了。
Show your tickets，please.
请出示你的票。