subsist [səbˈsɪst]

以下由轻松背单词网站提供

vi.生存，存在，供养

to get enough food or money to stay alive

We are unable to subsist without air and water. 没有空气和水我们就活不下去。
He could subsist on bark and grass roots in the isolated island. 在荒岛上他只能靠树皮和草根维持生命。