time keeping

常见例句

Galileo designed a clock using a pendulum as the time keeping element in 1635.
1635年，伽利略設計了一種利用搖鎚來計時的鍾表。
http://dict.hjenglish.com
We've got one dev on my team (John Messerly) who's spending a lot of his time keeping our tree in sync with the Silverlight tree.
我們團隊中有一個開發者（John Messerly）專門負責保持我們與Silverlight的同步。
If you find yourself in a situation where plans are fluid and you’re having a hard time keeping focused, try the following techniques.
如果你發現自己処於計劃流産、很難保持專注的睏難時刻，也許你該試試下麪的技巧

They didn't violate any regulation at the time." But many Americans say they are outraged that executives were getting big bonuses while taxpayer dollars were keeping the firms alive.
So it's very important to be keeping in mind that any time you see a double bond, you have a pi bond there, so you're not going to see any rotation around the bond axis.
所以你們要記住,任何時候你們看到一個雙鍵，這裡麪有π鍵，你們不會看到關於鍵軸的任何轉動。
麻省理工公開課 - 化學原理課程節選
Isn't it difficult being a mother and a professor at the same time and keeping a balance between the two?
同時做母親和教授是不是很睏難呢？兩者之間取得平衡不容易吧？
教授的夢想 - SpeakingMax英語口語達人

Mueller sees more at play than just clever judges who are good at time keeping.
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Consequently, fund managers had a difficult time keeping up with the performance of the index.
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Professionals had a hard time keeping pace with the averages these past 5 years, particularly 2012.
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