1. `Open your mouth a little wider,´ said the dentist.
    ‘把嘴张大点,’牙科医生说.

2. Blood was trickling from his mouth.
    鲜血从他嘴里一滴一滴地流出来。

3. But at first, it was all so new that I had to smile with my mouth turned down at the corners.
    但是在刚开始时, 这一切对我来说都太新鲜了，所以我不得不耷拉着嘴角微笑。

4. When the dentist at last removed the cotton wool from my mouth, I was able to tell him that he had pulled out the wrong tooth.
    当那位牙医最后将药棉从我嘴中取出时，我总算有可能告诉他，他拔错了牙。

5. When he came staggering out of the garden, blood was running from his nose and mouth.
    当他从园里摇摇晃晃走出来时，鼻子和嘴里流着血。

6. The ship was anchored athwart the harbour mouth.
    轮船横著停泊在港口里.

7. The river broadens at its mouth.
    河口处河面变宽。

8. The robbers rammed the gag in her mouth.
    强盗用力将堵嘴物塞进她口中。

9. This time, he managed to climb into the mouth of Kituro so that he could take photographs and measure temperatures.
    这次他设法爬进了基图罗火山口，以便能拍摄照片和测试温度。

10. There seems to be nothing wrong with his mouth and tongue, but he cannot speak.
    他的嘴和舌好像没有什么毛病，可是却讲不出话来。