我花了大约半小时点火。

I spent about half an hour.

youdao

许多营地有自己的安保系统、严格的酒精毒品管理条例、传染病防治中心、健身中心以及24小时点餐服务等。

Many camps had their own security and strict rules against alcohol and drugs, as well as maids, fitness centers, high-thread-count sheets and 24-hour meal service.

youdao

松开赤经制动钮并使望远镜围绕极轴旋转用以设置日期刻度盘上的观测日期对准赤经兼小时刻度盘上的观测时点。

Unfasten the R. A. clamp and turn the telescope around the polar axis to set the observing date on the date graduation ring to the observing time on the R. A. and hour graduation ring.

youdao

For most of you on your homework assignments, I'm hoping it's a little less than that, but not much less than that.

你们一起做作业的时候,我希望作业不会消耗你们那么多时间,比20小时少点就行了呗

耶鲁公开课 - 博弈论课程节选

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

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选