air hole什么意思
名词气孔，河中不冰冻部分
1. 气孔：气暖装置 air heating installation | 气孔 air hole | 气笛 air horn
2. 通气孔：air hole 气孔 | air hole 通气孔 | air horn 气笛
3. 通风孔：air hoist 气葫芦 | air hole 通风孔 | air hose 风管
4. 透气孔：177. after peak bulkhead 尾尖舱壁 | 178. air hole 透气孔 | 179. aircraft carrier 航空母舰
1. The video showed an air vent and fan inside the hole to allow Saddam to remain hidden for an extended period.
2. They decided to dig on both sides of the tunnel to save time and managed to dig a small air hole.
3. Sampling of air in that hole had found oxygen levels too low for survival.
4. 911查询·英语单词
4. Yet the Russian Air Force confirmed on Friday that they will not fly through the hole.
noun
1. a hole that allows the passage of air
2. a local region of low pressure or descending air that causes a plane to lose height suddenly
Synonym: air pocket pocket