I know you tested this yourself the last time you came back from Nigeria.

我知道你最后测试了一次这个就从尼日利亚回来了。

youdao

I know you tested this yourself the last time you came back from Nigeria.

我知道你自己上次有做这样的测试。

youdao

I had a letter from my sister yesterday. She lives in Nigeria.

昨天我收到了姐姐的一封信，她住在尼日利亚。

youdao

I had a letter from my sister yesterday. She lives in Nigeria.

昨天我收到了姐姐的一封信，她住在尼日利亚。

youdao