我正在上网查询有关悉尼的资料。

I'm looking for information about Sydney on the Internet.

youdao

我正在上网冲浪。

I'm surfing the Internet.

youdao

我正在上网，电脑却突然死机了。

The system crashed when I was surfing on the Internet.

youdao

你给我打电话时我正在上网。

I was on the Internet when you called me.

youdao

本杰明：我正在上网，电脑却突然死机了。

Benjamin: the system crashed when I was surfing on the Internet.

youdao

乔伊，我看见你正在上网。

Joy, I see you're looking at the Internet.

youdao

乔伊，我看见你正在上网。

Joy, I see you're looking at the Internet.

youdao