drone on 持续发出嗡嗡声
drone about 抱怨，唠叨
drone off 嗡嗡作响
drone in the distance 远处传来嗡嗡声
monotonous drone 单调的嗡嗡声
1. The old engine droned steadily in the background.
旧引擎在背景中稳定地嗡嗡作响。
2. He droned on about his problems for an hour.
他花了一个小时喋喋不休地抱怨他的问题。
3. I heard a bee drone through the window.
我听到一只蜜蜂嗡嗡地穿过窗户。
A: The air conditioner is making such a noise.
A：空调发出的声音好大。
B: I know, it droned all night long.
B：我知道，它整晚都在嗡嗡响。
1) 发出嗡嗡声
2) 单调地说话
3) 抱怨，唠叨
1. 发出嗡嗡声；发出轰鸣声
e.g. The fly droned around the light.
苍蝇在灯周围嗡嗡地飞。
2. 以单调的声音说话
e.g. The professor droned on for two hours.
教授单调地讲了两个小时。
verb (past tense of drone)
1. to make a low, continuous humming sound
2. to speak in a boring or monotonous way
Synonym: hummed, buzzed, muttered