sleeping sack

常见例句

It's gettinh really cold. And Mr. Tiantian got to wear Gramma's hand made "WARM" brand sleeping sack:)!
天冷了，晚上睡觉穿上姥姥亲手做的温暖牌睡衣了：）！
3g.sina.com.cn
Regular exercise is great for inducing a good night's sleep, but you may have trouble sleeping if you hit the sack less than two hours after exercising.
有规律的运动可促成一夜好眠，但如果你在睡前两个小时运动的话，可能就会睡不着。
www.ivyenglish.com.cn
Unlike my Half Dome epic, we were better prepared sleeping wise. We both had a synthetic bag, a bivy sack and a sleeping pad. The sleeping pads were used to protect the contents of the haul bag.
我们准备较好的睡觉方式，不像我去爬半圆顶的壮烈，我们都有露宿袋及睡垫，睡垫是用来保护拖包内的东西。
rock-lizard.org