The gas would have the dual effect of choking air-breathing animals and preventing sunlight from reaching Earth's surface.
这些有毒气体不仅会使动物造成了窒息，而且对照射到地球表面的阳光产生了严重阻挡。
Palestinian residents described how on June 27th police charged through Silwan's narrow thoroughfares firing tear-gas grenades through Windows and doors, choking people inside their homes.
巴勒斯坦人讲述着6月27日警察是怎样冲过西尔万狭窄的道路而后对着窗户门发射催泪弹，让屋里的居民窒息而死。
Hold the bottle; don't prop it up by itself. This can help prevent choking, extra gas, tooth decay, and provide bonding time.
握紧奶瓶，不要让它自己滴下来，这样能防止窒息，过多的气体，牙齿的腐蚀，而提供了亲子联系的时间。
A mechanical model of choking flow in the expansion valve was presented, which is based on the expansion wave and gas dynamics discontinuities theories.
通过亚稳态液体闪蒸形成的蒸发波以及气体动力学非连续理论，建立了电子膨胀阀壅塞机理模型。
A mechanical model of choking flow in the expansion valve was presented, which is based on the expansion wave and gas dynamics discontinuities theories.
通过亚稳态液体闪蒸形成的蒸发波以及气体动力学非连续理论，建立了电子膨胀阀壅塞机理模型。
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