1
- an opening that allows air, gas, or liquid to pass out of or into a confined space（空气、气体或液体进出的）孔, 口, 通风孔, 排放口。
1.1
- mass noun figurative release or expression of a strong emotion, energy, etc.〈喻〉（强烈情绪或能量的）发泄, 表达：
children give vent to their anger in various ways.
小孩用各种方式表达愤怒。
1.2
- the opening of a volcano, through which lava and other materials are emitted火山口
1.3
- chiefly Scottish a flue of a chimney〈主苏格兰〉（烟囱的）烟道。
1.4
- historical the touch hole of a gun〈史〉炮眼, 火门。
1.5
- the anus, especially one in a lower animal such as a fish that serves for both excretion and reproduction（尤指鱼等低等动物有排泄及繁殖双重功能的）肛门。
with obj.
1
- give free expression to (a strong emotion)表达, 发泄（强烈感情）：
we vent our spleen on drug barons.
我们表达对毒品大王的强烈愤怒。
2
- provide with an outlet for air, gas, or liquid给…一个出口, 给…提供排放口：
tumble-dryers must be vented to the outside.
滚筒式烘干机必须有一个向外排放口。
2.1
- discharge or expel (air, gas, or liquid) through an outlet（通过排放口） 排放（空气, 气体, 液体）：
the plant was isolated and the gas vented.
工厂被隔离, 煤气被排除。
2.2
- permit air to enter (a beer cask)使空气进入（啤酒桶）。
派生词
ventless
adjective词源
late Middle English: partly from French vent 'wind', from Latin ventus, reinforced by French évent, from éventer 'expose to air', based on Latin ventus 'wind'.