1. They keep pouring out millions of trucks every year.
   他们每年连续生产出成百万辆卡车。
2. Window screens are effective in keeping out mosquitoes.
   纱窗能有效地挡住蚊子。
3. To put or keep out of sight;secrete.
   隐藏把…放在隐蔽处;隐藏
4. Keep the pressure up till you have blown the occlusion out.
   维持压力直到把堵塞排除。
5. We have screens on our windows to keep out the flies.
   我们窗户上有纱窗以挡苍蝇。

　1个动词解释