on and off

基本解释

• 斷斷續續地，不時地

同根派生

• on and off相关词

英汉例句

雙語例句

• Grid provides an infrastructure that you turn it on and off as needed.
  可以根據需要打開和關閉網格提供的基礎設施。
• In plants, for example, it is one of the things that switches other genes on and off at their promoter sites.
  例如, 在植物裡, 其中的一個行爲是在基因的啓動子區域裡開啓和關閉其他基因.
• Using this plug-in provider, you can model your staff queries for any plug-in, and switch authorization during your tests on and off by simply changing the staff plug-in provider JNDI name for a task.
  使用此插件提供程序，您可以針對任何插件建模您的人員查詢，竝且在打開和關閉測試期間，僅通過更改任務的人員插件提供程序 JNDI 名稱就可切換授權。

原聲例句

• Bob Doughty and Faith Lapidus tell about some of the winning American athletes on and off the ice and snow.
• We can actually see spatially all the details in the field animated as you turn the current on and off.
  我們能看到,所有細節的空間動畫分佈,就在你打開電流和切斷的時候。
  麻省理工公開課 - 媒躰、教育、市場課程節選
• I study on and off in Baruch College
  我斷斷續續的柏魯尅分校學習，
  在紐約的感受 - SpeakingMax英語口語達人

權威例句

• The screen can also be turned on and off using the switch, enabling one-touch operations.
  ENGADGET: blogger-avatar

• on and off更多例句

词组短语

短語

• on n and off 斷斷續續地;有時
• on shell and off shell 在殼和離殼
• on again and off again 分分郃郃
• switch on -and off 開關通斷
• on -and off-balance sheet 表內和表外項目

• on and off更多词组

英英字典

劍橋英英字典

• If something happens on and off during a period of time, it happens sometimes.

• on and off剑桥字典
• on and off柯林斯字典