Every time you skip a question, be sure to mark it in time.

你每跳过一道试题，一定要及时标记。

youdao

Recent cases in the Philippines mark the first time that Ebola Reston has been found in pigs, and the first time that suspected transmission from pigs to humans has occurred.

菲律宾最近的病例是第一次在猪身上发现埃博拉莱斯顿，也是第一次怀疑发生从猪到人的传播。

youdao

Yes, it must have been the winter time, and we had just finished our tea, for I remember that I was smoking a cigarette when I looked up and saw the mark on the wall for the first time.

对啦，一定是冬天，我们刚喝完茶，因为我记得当时我正在吸烟，我抬起头来，第一次看见了墙上那个斑点。

youdao

Mark Johnson made the songs by recording one part of the song at a time.

VOA: special.2009.07.31

One way to mark time is to imagine it carries a clock as it moves, and put markers every second.

标记时间的一种方法是,想像它带着时钟运动,并且每秒做一次标记

耶鲁公开课 - 基础物理课程节选

I am on the internet, probably every time I mark,

我上网的时候，几乎每次都会标记清楚，

对于抄袭的想法 - SpeakingMax英语口语达人

Moreover, while the Federal Reserve has stopped cutting its key interest rate target for the time being, the central bank does not show any signs of raising rates above the 2% mark any time soon--a good indication of the dollar's relative weakness.

FORBES: The Oilmen Cometh

If so, it seems likely that ADSK shares will mark time during this period.

FORBES: Autodesk Crumbles On Rotten Q2; Drags Adobe Down With IT

They also let them know the approximate time Mark would try to drive to work the next morning and the route he followed.

FORBES: True Story: The Prominent Dad With Dementia Who Refused to Stop Driving