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

2. Earth looks like a big blue marble (玻璃球); from high above the Earth and from the moon, the planet gleams and shines.
    地球看上去就像一个巨大的蓝色玻璃球, 从高高的地球上空或从月球上望去，这颗行星熠熠生辉，闪闪发光。

3. Experts say airlines will be big losers.
    专家们说，航空公司会是大输家。

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

5. Because I had two big cavities.
    因为我有两个大洞.

6. Big Ben takes its name from Sir Benjamin Hall who was responsible for the making of the clock when the new Houses of Parliament were being built.
    "大本"钟得名于本杰明.霍尔爵士，因为当建造新的国会大厦时，他负责建造大钟。

7. Big Ben has rarely gone wrong.
    "大本"钟很少出差错。

8. 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。

9. But even if I yielded to that temptation, big magazines are not going to get involved in some sticky situation.
    但即使我抗不住这种诱惑，我投稿的那些大杂志也不会去给自己惹麻烦。

10. But now government and big businesses are vigorously promoting the concept of "leisure".
    但现在，政府和大企业都在大力提倡"休闲"这个概念。

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