97免费视频观看_一区二区在线观看网站_久久av在线看_国产精品视频在线播放

Centre School.

在中心學校。

It means to shake.

它的意思是“震動”。

It was like being on a boat.

就好像是坐在一條小船上一樣。

Why don't you do the experiment? I'm sure you would do it really well.

你干嗎不做這個實驗呢？我相信你一定會干的很棒的。

Is the fire out?

火熄了嗎？

In the beginning they used to carve Chinese characters on stones to record important dates in history.

開始時，他們常把漢字刻在石頭上，記載歷史上重要的日期。