life作“生命”解时,是可数名词,复数为lives,作“生活”之意是不可数名词.
如：
The steadfast work and happy life
踏实工作 快乐生活
Life is like a journey,no matter what the destination,but the scenery along the way and the mood at the view
人生就象一次旅行,不必在乎目的地,在乎的是沿途的风景以及看风景的心情
Three lives were lost (ie Three people died) in the accident.
事故中三人丧生.
There is no life on the moon.
月球上没有生物.