It shows construction workers buzzing around like gnats while a clock in the corner of the screen marks the time.

画面中，建筑工人像蚊子一样到处吵吵嚷嚷，而屏幕角落里的时钟则在标记时间。

youdao

It marks the end of a time-honoured tradition.

它标志着一个历史悠久的传统的终结。

youdao

Instead, you just need to review your marks and you can save a lot of time.

相反，你只需要复习你标出的部分，节省很多时间。

youdao

So each hour's time difference between the ship and the starting point marks a ship's progress of fifteen degrees of longitude to the east or west.

VOA: special.2010.07.14

Tuesday marks the eighth day of climate talks and with world leaders arriving, analysts say it is time to make serious progress with the major issues.

VOA: standard.2009.12.17

The launch of Duke Nukem 3D in the Android Market marks the first time any of the Duke Nukem titles are available on Android devices.

ENGADGET: Duke Nukem 3D is coming to Android, old rope shares soar Alt

This unprecedented turn of events marks the first time that individual investors in a money market fund are at risk for losing some of their principal.

NPR: Lehman Fallout Hits Money Market Fund

With less than 48 hours from start to finish, this marks the shortest period of time it has taken to plan and complete a spacewalk mission.

FORBES: Astronauts Perform Emergency Spacewalk To Fix Ammonia Leak