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1·Sometimes even a light touch on the face is enough to trigger off this pain.

有时甚至在脸上轻摸一下也足以引发这种痛苦。《柯林斯英汉双解大词典》

2·I wanted to keep in touch, but when I called him he gave me the brush-off.

我想和他保持联系，可是当我打电话时，他却不理我。《柯林斯英汉双解大词典》

3·The lightning could touch off wildfires in Eastern Washington.

闪电可能引发华盛顿东部的野火。《柯林斯英汉双解大词典》

4·We may be on the verge of a new era, when the PC will get up off the desktop and allow us to see, hear, touch and manipulate objects in places where we are not physically present.

我们可能正接近一个新时代，届时个人电脑将脱离桌面，让我们能够在自己不在场的地方看到、听到、触摸和操作物体。

5·So large is the Pacific, covering 30% of the planet's surface, that the additional energy generated by its warming is enough to touch off a series of weather changes around the world.

太平洋面积非常大，覆盖了地球表面的30%，其海水升温产生的额外热量足以引发世界各地一系列的气候变化。

6·Some slight incident may touch off a major war.

一件小事可以触发一场大战。《新英汉大辞典》

7·Lest readers charge me with conflict of interest, I should add that, though we've stayed in touch off and on, we've never socialized.

为了避免读者指责我利益冲突，我应该补充一点，虽然我们保持着时有时无的联系，我们从来没有一起社交过。

8·The crews are not completely cut off from those back home, and use email and the station's phone to get in touch when there is time.

宇航员们并没有完全和家里断开联系，有空就可以发送电子邮件或者用空间站的电话和他们联系。

9·Children should keep their hands to themselves and off objects other people touch, like counters or drinking glasses, to avoid spreading the virus.

小孩要管好自己的手，不去碰别人摸过的东西，如柜台或饮水杯，以避免传播感冒病毒。

10·Instead of cutting me off from the world, getting rid of my cell phone has helped me get in touch with my community.

不用手机，我不但没有和他人脱离联系，反而加强了和社区的接触。