light as air造句

Helium is the lightest of all gases except hydrogen . it is more than seven times as light as air
除了氢，氦是所有气体中最轻的。它的重量不到空气的七分之一。
Minny and i went flying home as light as air ; and i dreamt of wuthering heights and my sweet , darling cousin , till morning
敏妮和我飞奔回家，轻快得像阵风一样我梦见呼啸山庄和我的可爱的宝贝表弟，这些梦一直做到清晨。
My sister turned over as though she was as light as air . why could she sleep soundly ? why wasn ' t she sweating too ? did she know about tomorrow
我妹妹轻如树叶般地翻了个身。她可睡得真香啊！她为什么不出汗呢？她知道明天的惊喜吗？
It's difficult to find light as air in a sentence. 用light as air造句挺难的