A low, heavy, rolling sound.

隆隆声。

A seat for servants at the back of a carriage; also, a small seat behind the body of an automobile, esp. a roadster.

【美】马车背后仆从的座位；汽车后面可折叠小座位(=rumble seat)。

A street fight between teenage gangs.

【美】【俚】(不良少年帮派的)打群架。

To make low, heavy, rolling sound.

作隆隆声；发辘辘声。

To speak in a low rolling tone.

以极低沈的声音说。