translation.en: Now, if you were to go down to, say, 300 feet, you don't have five times as many gas molecules in your lungs -- you've got 10 times as many gas molecules in your lungs.
translation.zh: 如果你要下潜到300英尺 那你的肺里就不仅仅只充满相当于平时五倍体积的气体 而是充满相当于平时10倍体积的气体