呼吸气
breathing air 呼吸气; 呼吸用空气..
呼吸空气标准
... Dry weight 净重 Dimensions 体积 breathing air 呼吸空气标准: ...
呼吸用空气
breathing air 呼吸气; 呼吸用空气...
如果这个理论是正确的,那么吸入含有额外二氧化碳的空气应该会引起打哈欠,而吸入纯氧应该可以抑制打哈欠。
Exposure also comes from breathing air at the surface of the water, where chemicals become volatile.呼吸水面的空气也能接触到氯,因为这种化学物质在水里具有挥发性。
And, perhaps as importantly, you also can never devote your undivided attention to the biped mammals who are breathing air in the room with you.而可能更重要的是,你也从未将你的注意力分给那些与你同呼吸的两足哺乳动物上。