Keep-alive voltage
[电] 维生电压
🧩 词语组成解析
keep
[kip]
vt. 保持;保留;遵守;阻止;
vi. （食品）保持新;保持健康;
n. 保持，保养;供养，抚养;生活，生计;饲料；牧草;
🗣️ 情景例句
Still waters run deep.
冰冻三尺非一日之寒。
They operated on him last night.
他们昨晚给他动手术了。
I am told that you dance wonderfully well.
我听说你的舞跳得特棒。