Keep-alive circuti
[电] 维生电路
🧩 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
I have received the secretarial training for six months.
我曾接受过6个月的秘书训练。
I'm looking forward to it.
我盼望着这件事。
In the Northwest, there will be snow in the night.
西北夜间将降雪。