This experiment is to start at 3 o 'clock.

实验3点钟开始。

youdao

They start school at 9 o 'clock. School is fun here. I like it.

他们学校是9点开始上课。这里的学校很有趣。我喜欢。

youdao

Whatever weather it is, we shall start at 9 o 'clock.

无论天气怎样，我们都要在9点动身。

youdao

Whatever weather it is, we shall start at 9 o 'clock.

无论天气怎样，我们都要在9点动身。

youdao