switches on and off

意思翻译

开关通断

相似词语短语

switches off───（用开关）关掉；切断（电源）

switches on───接通，开启

off and on───断断续续地，时不时地；不时; 断断续续地; 间歇地; 时作时辍

on and off───断断续续地，不时地；不时; 断断续续地; 间歇地; 启闭

both on and off───开和关

on and off stage───台上台下；台前幕后

go on and off───开关

on off───开关离合通断双位式；adj.时断时续的; 离合的; 双位的

off on───关-开

双语使用场景

In plants, for example, it is one of the things that switches other genes on and off at their promoter sites.───例如，在植物里，其中的一个行为是在基因的启动子区域里开启和关闭其他基因。

Instead, for most people, it switches on and off like a light switch.───相反，对于大多数人来说，它就像开关一盏灯一样。

Hoping to understand what's happening in those clouds, epigenetics researchers have focused on biochemical switches that turn genes on and off.───为了了解那些基因云发生的情况，遗传学研究者们必须找到开启和关闭基因的生物学开关。

英语使用场景

The heating automatically switches on and off at pre-set temperatures.

switches on and off