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1·Second, screen use can do harm to children's brains.

第二，对着电子屏幕会对孩子的大脑造成损害。

2·It is dangerous and will do harm to our health.

这是很危险的，会对我们的健康造成损害。

3·If their activities do harm to the waterways, they will be moved away, the law says.

法律规定，如果他们的活动对水道造成损害，他们将被驱逐。

4·Smoking cannot lower the pressure but only to do harm both to own health and to that of people around you.

吸烟不能减轻压力，反而只会损害自己和周围人的健康。

5·A very small percentage of ants do harm to humans.

极小部分的蚂蚁会对人类造成伤害。

6·Playing computer games is delightful, but spending too much time on it may do harm.

玩电脑游戏时会很开心，但花太长时间在这方面可能会造成伤害。

7·According to some professionals, deprivation of young children's playtime will do harm not only to children themselves but to the country and the world.

一些专业人士认为，剥夺儿童玩耍时间伤害的不仅是儿童本身，还会伤害到国家乃至整个世界。

8·Unprincipled accommodation will do harm to him.

无原则的迁就对他有害。《新英汉大辞典》

9·Words can continue to do harm for many years.

语言带来的伤害会持续很多年。

10·Do you think that smoking will do harm to your health?

你认为抽烟会对你的健康有害吗？

不利

1·Wasted mine tailings do harm to the growth and development of plants considering the physiological characteristics of survival percentage of seedlings, free proline content and chlorophyll contents.

从植物萌发后的存活率，叶绿素含量和脯氨酸含量等生理性状来看，尾矿对植物有胁迫作用，对植物生长存在不利影响。

2·However, a quick acceleration in the rate of RMB appreciation will benefit import and do harm to export.

但是，当人民币升值速度加快后，将对汽车进口有利而对出口不利。

3·To study the ultimatum game and sabotage game, we can see that in the long run, the conflict will do harm for both sides.

对最后通牒博弈与破坏博弈的研究表明，如果没有公平观念，冲突对社会冲突中的冲突各方都将是不利的。