lifefuladj.充满活力的；充满生气的lifen.一生；生命；生活；人生Life- style diease生活方式疾病life span management寿命管理life science physics生物物理学life - cycle costs生命周期成本life-term prisoner无期徒刑犯人life-long exercise终身体育life cycle awareness生命循环的意识life creation desire生命创造欲life tutelage theory修养观life-long learning终身学习

1. There was still time to break out life rafts.
   还来得及准备好救生艇。
2. They escaped from the wrecked ship on a raft.
   他们驾着救生艇逃离遇难的船。