问题标题：
menlosetheirabilitytohearhigh-pitchedsounds,andwomenlosehearinginthelowend为什么前一句是tohear后面用hearing
问题描述：
menlosetheirabilitytohearhigh-pitchedsounds,andwomenlosehearinginthelowend
为什么前一句是tohear后面用hearing
林百松回答：
前面的tohearhigh-pitchedsounds不定式做ability的后置定语,而后面的hearing是动名词的形式做lose的宾语,
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