例句1：I spent an hour in watching TV.译：我看了一个小时的电视。例句2：I spent three hours doing my homework.译：我花了三个小时来做我的家庭作业。例句3：I spent ten dollars buying the book.译：我花了十美元买这本书。
导读例句1：I spent an hour in watching TV.译：我看了一个小时的电视。例句2：I spent three hours doing my homework.译：我花了三个小时来做我的家庭作业。例句3：I spent ten dollars buying the book.译：我花了十美元买这本书。
例句2：I spent three hours doing my homework. 译：我花了三个小时来做我的家庭作业；
例句3：I spent ten dollars buying the book. 译：我花了十美元买这本书。
spend后加动词的什么形式
例句1：I spent an hour in watching TV.译：我看了一个小时的电视。例句2：I spent three hours doing my homework.译：我花了三个小时来做我的家庭作业。例句3：I spent ten dollars buying the book.译：我花了十美元买这本书。
科技
