life-sustaining

life-sustaining — 形容詞

1. needed to keep a person, animal, or plant alive — used especially for food, wate

1.形容詞B2
釋義

維持生命的

幫助生物存活的

needed to keep a person, animal, or plant alive — used especially for food, water, air, or medical care that supports continued existence.

例句

The village well provided the only life-sustaining water for miles around.

方圓數英里內,只有村裡那口井能提供維持生命的水。

collocation: life-sustaining water / food / air

Doctors debated whether to stop life-sustaining treatment for Mrs. Okonkwo.

醫生們對於是否停止 Okonkwo 太太的維生治療展開了辯論。

collocation: life-sustaining treatment / care

同義詞
  • vital

    broader — can describe any extremely important thing, not only biological survival

  • essential

    focuses on necessity rather than the specific idea of keeping alive

  • life-supporting

    near-synonym; more common in medical contexts for machines or equipment

反義詞
  • life-threatening

    describes something that endangers life rather than supporting it

  • fatal

    describes something that causes death, the opposite of sustaining life

用法筆記

Typically used before a noun (attributive position) — e.g., life-sustaining treatment, life-sustaining resources. Rarely appears after a linking verb.

常見錯誤

Water is life-sustaining to humans.
Water is life-sustaining for humans.
💡The preposition for, not to, follows life-sustaining when stating who or what benefits.