So it's important to be here on time and stay throughout 3 hours' period.

一定不能迟到,每节课3个小时，不能早退。

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There's no way he'll be here on time.

他不可能准时到这儿。

There is 实战 - SpeakingMax英语口语达人

Let's create a graph here that on the x axis it's going to be time, so time zero will be when you first take in a food and then one hour later, two hours later will be shown as you go from left to right, and then we'll have blood glucose level up on the y axis.

我们在这建立一个曲线图,X轴代表的是时间,所以零时间点是你第一次进食的时间,然后一小时以后,两小时以后,是从左到右呈现在图表上的,在Y轴上是你的血糖值

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