n.[C]

1. 雄蜂
2. 無人機，空拍機，無人駕駛飛機；無人駕駛艇
   The drone can gimbal up 90 degrees.

   這架無人機可以九十度垂直上升。

3. 懶人，游手好閒者；【喻】寄生蟲

vi.

1. 混日子

vi.

1. 嗡嗡叫，嗡嗡響
   A plane droned overhead.

   飛機在上空嗡嗡飛過。

2. 低沉單調地說
   She always drones on about her problems.

   她老是嘀咕自己的種種困難。

vt.

1. 低沉單調地說
   The minister droned out the psalm.

   牧師喃喃地念讚美詩。

n.

1. 嗡嗡聲；低沉單調的聲音[U]
   the drone of distant traffic

   遠處車輛的嗡嗡聲

2. 【音】風笛的單音管[C]；風笛聲[U]
3. 【音】持續音，低音部[U]

v.

▸speak tediously and at length:

Jim droned on for an hour.

n.

1. a low continuous humming sound.
   ▸a pipe (especially in a set of bagpipes) or string used to sound a continuous note of low pitch.
2. a male bee which does no work in a colony but can fertilize a queen.
   ▸an idle person.
3. a remote-controlled pilotless aircraft.