A-c hum
[电] 交流声
🧩 词语组成解析
hum
[hʌm]
vt. 哼唱;
vi. 忙碌，活跃;发嗡嗡声;发出嘈杂声;
n. 嗡嗡声;杂音;哼唱的动作;
int. 哼;嗯;
🗣️ 情景例句
when it's very cold out.
冬天外面很冷的时候。
I was born on September 1st, 1976.
我出生在1976年9月1日。
He can get up for about two hours each day, but you must keep the room warm.
他每天可以起来两个小时，但您必须保持房间温暖。