essential to的用法和样例:
例句
- Air is essential to life.
生命不能缺少空气。
- Food, water and air are essential to life/for the preservation of life.
食物、水和空气对(维持)生命是必不可少的。
- Is money essential to happiness?
金钱对於幸福是必不可少的吗?
- Food is essential to life.
食物对生命是必不可少的。
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