劍橋詞典existing in limited quantities that cannot be replaced after they have all been used 不可再生的 Oil, natural gas , and coal are non-renewable fuels . 石油、天然氣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 . （官方文件或協(xié)議）不可續(xù)的 Foreign workers bringing dependents could obtain only one non-renewable two-year visa . 攜帶家屬的海外工人衹能獲得不可續(xù)簽的兩年簽証。 比較renewable 返回 non-renewable