词汇	Normal vital capacity
释义	Normal vital capacity 正常肺活量
随便看	principal fractional ideal principal fractionary ideal principal frequency principal front principal fuel supply principal function principal functional region planning principal functional regions Principal Function Area Division principal function of cultural power principal function region principal function regionalization principal function symbol principal fund principal gage principal gauge principal generating rule principal-gent principal-gent theory principal genus Principal Geographic Component distribution principal girl principal glacial age principal glide system principal goods