“上网查了”英语怎么说

I checked online for reasons and

it turned out that blue little thing

is of a great beneficial to human

health.

我在网上查了查，发现那些蓝色的小东西确实对人类健康很有好处。

I checked all this stuff online.

我在网上查了这些资料。

You can check the information of train timetable online.

你可以在网上查到列车时刻表信息。