他因为受伤无法参加比赛。

他因为受伤无法参加比赛。

He was unable to join the game due to his injury.

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He was unable to join the game due to his injury.

unable 是由前缀 un-(表示“不、非”)和形容词 able(能够的)组成的形容词,意思是“不能的、无法的”。

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