通过此切口，二氧化碳气体把胸腔充得肿胀起来。
Through this incision, the abdominal cavity is distended with carbon dioxide gas.
对它们来说，这些仔细过滤后充入了二氧化碳的水流是维系呼吸、赖以生存的依靠。而这些鱼在大自然中的家园――美国东南部的河流已经被大坝阻断奔腾的脚步，又因为污染物遍布而让它们无法栖身。
For them the carefully filtered, aerated wateroffers the breath of life, whereas their natural homes—streams andrivers in the southeastern United States—are choked by dams and cloudedwith pollutants.
这可以通过定期输送啤酒流经碳酸化器或者通过向储罐内充入二氧化碳来完成。
This may be done by periodically pumping the beer through a carbonator or bubbling carbon dioxide into the storage tank.
这可以通过定期输送啤酒流经碳酸化器或者通过向储罐内充入二氧化碳来完成。
This may be done by periodically pumping the beer through a carbonator or bubbling carbon dioxide into the storage tank.
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