always followed by an adverb or preposition, [no object] : to flow out of something in a fast and forceful way喷出；涌出
Exhaust spewed out of the car.
废气从车中喷出。
Smoke and ashes spewed from the volcano.
烟尘从火山中喷涌而出。
b [+ object] : to cause (something) to flow out in a fast and forceful way使喷出；使涌出
The volcano spewed hot ash.
火山喷出了炽热的灰。
The faucet started spewing dirty water.
水龙头开始喷出脏水。
— often used figuratively常用作比喻
They spewed (out) an endless stream of questions.
他们没完没了地提了一大堆问题。
He spewed insults at his critics.
他对批评自己的人口出恶言。