Cats spend two-thirds of their liveds sleeping.

问题描述:

Cats spend two-thirds of their liveds sleeping.

猫用他生命的三分之二的时间来睡觉

猫用他们生活的三分之二睡觉

猫花一生的三分之二时间在睡觉

猫花三分之二的生命睡觉