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英语问题1.Some people waste too much time in watching TV.waste 和

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英语问题
1.Some people waste too much time in watching TV.
waste 和 spend都是一样的句型吗?
2.Watching TV too much can do harm to your sight and health.
do harm是什麽句型?还有吗?
举例说明.谢谢!
1.waste 和 spend基本是一样的.
就像咱们说浪费时间一样,有时候也说耽搁时间了.
waste:[ weist ]
浪费
废料、垃圾.
例句与用法:
1.It's only a waste of time to speak to her.
和她说话纯粹是浪费时间.
2.All his efforts were wasted.
他的所有努力都白费了.
spend:[ spend ]
v.(spent,spent) 花费,浪费,度过
例句与用法:
1.Come and spend the weekend with us.
来和我们一起度周末吧.
2.We spent many hours in a pleasant conversation.
我们畅谈了好几个小时.
2.do harm:
损害,危害
例句与用法:
1.Nuclear power will do harm to our health and safety if improperly used.
如果使用不当,核能会对人的健康和安全造成危害.
2.If you do harm to me I shall not look over you.
如你对我使坏,我可不饶恕你.