gravity vent

• 通风孔

gravity vent的用法和样例：

例句

1. Lincoln and Michael climb from the vent and cut the sheet rock in the wall leading to Oren's office.
   林肯和迈可从通风孔爬入，凿穿了与欧伦办公室的保险箱相连的薄薄的一层墙。
2. It's because of this, that makes them better than a conventional plastic vent or louver.
   这是这个原因，这使得它比传统塑料通风孔或百叶窗更好。