vt. 及物动词哼唱
vi. 不及物动词忙碌，活跃；发嗡嗡声；发出嘈杂声
n. 名词嗡嗡声；杂音；哼唱的动作
She began to hum a tune while cooking dinner.
她在做晚饭时开始哼一首曲子。
The refrigerator started to hum loudly in the kitchen.
冰箱在厨房里开始大声嗡嗡作响。
He likes to hum when he's deep in thought.
他在深思时喜欢哼歌。
The bees hum as they flit from flower to flower.
蜜蜂在花间飞舞时嗡嗡作响。
She could hear the distant hum of the city at night.
她能听到夜晚城市远处的嗡嗡声。
I often hum to calm myself when stressed.
我常在压力大时哼歌来平静自己。
The old computer used to hum whenever it was turned on.
那台旧电脑一开机就会嗡嗡作响。
As the music played, she began to hum along softly.
音乐响起时，她开始轻轻地跟着哼。
The air conditioning unit started to hum in the background.
空调在背景中开始嗡嗡作响。
He could hear the gentle hum of the fan in the room.
他能听到房间里风扇的轻轻嗡嗡声。
hum along 跟着哼唱
hum softly 轻声哼唱
hum to oneself 自己哼唱
hum a lullaby 哼唱摇篮曲
hum a melody 哼一段旋律
hum with joy 高兴地哼唱
第三人称单数: hums;
过去式: hummed;
过去分词: hummed;
现在分词: humming;
