切断，断开；

1. 切断,断开：key on 接通 | key out 切断,断开 | key set 电键,按键

2.

2. 鈅匙退分：KEY IN 鈅匙上分 | KEY OUT 钥匙退分 | TODAY(当天营业帐目)

3. 切断：key on 接通 | key out 切断 | key panel 键板

4. key out的意思

4. [电]切断：key off [电]切断 | key out [电]切断 | key on [电]接通

1. identify as in botany or biology, for example

    Synonym: identifydiscoverkeydistinguishdescribename