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

Now, this is the chemistry lab. Have you been in this lab before?

好啦，這是化學實驗室。你們以前到過這個實驗室嗎？

Carl, what does quake mean, as in the word earthquake?

卡爾，earthquake這個詞中的“quake”是什么意思？

In my opinion, we should buy the IBM PC 586.

我認為我們應該買IBM586微機。

That sounds interesting. That was a hundred years ago, wasn't it?

聽起來很有意思。那是一百年前的事了，不是嗎？

How long will it take you to complete the trip?

你旅行全程需要多長時間？

But I don't understand. You returned the necklace to me the next afternoon. I remember very well.

不過，我還不懂。我記得很清楚，你們第二天下午就把項鏈還給我了。