existing in limited quantities that cannot be replaced after they have all been used

Oil, natural gas, and coal are non-renewable fuels. 石油、天然气和煤都是不可再生燃料。

If an official document or agreement is non-renewable, its use cannot be continued for an extra period of time after it has ended.

Foreign workers bringing dependents could obtain only one non-renewable two-year visa. 携带家属的海外工人只能获得不可续签的两年签证。