Tfr
[医][=total fertility rate]总生育率
🗣️ 情景例句
With two bedrooms?
有两间卧室吗？
Do you want to remit the money by air mail or by cable, sir?
您想要航空信还是电汇，先生？
Are you going to be a sailor when you leave school?
你毕业后打算当海员吗？