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key 和critical的区别

key 和critical的区别

critical语意比key更强

key 重点的,关键的,重要的 critical决定性的

He played a key role in solving the problem.他在解决这个问题上起重要作用

He has been admitted into a key university.他已被一所重点大学录取

The crisis is entering a critical phase.

危机正进入一个至关重要的决定性阶段