1. Even if a piped water supply is safe at its source, it is not always safe by the time it reaches the tap.
    即使管道供水系统在水源处安全的，等水到达龙头时就不一定总是安全的了。

2. But he still did not feel safe enough.
    可是他还觉得不够安全.

3. Bonpland was doubtful whether, even then, it was safe.
    即使如此，庞普朗还是怀疑这水是否安全。

4. Banks stocked with the frozen sperm of geniuses already exist, but they haven't created a master race because few women are queuing up to get pregnant this way.
    已经有了贮存天才的冷冻精子的精子库，但它们还没有生成一个优等族，原因是很少有妇女排队等候以这种方式怀孕。

5. We haven´t got much tea or coffee,
    我们的茶叶和咖啡不多了，

6. We haven´t got many tomatoes,
    我们番茄不多了，

7. We haven´t got any meat at all.
    我们一点肉也没有了。

8. Well, I haven´t got much either!
    唉，我也不多了。

9. When the bear was gone, and all was safe, the man in the tree came down.
     熊走了，一切都平安无事了。树上的人爬了下来，

10. While active, child-bearing age women are most likely to have low iron stores, he notes, "Men are not safe, especially if they don't eat meat and have a high level of physical activity."
    他还指出，虽然积极锻炼的育龄妇女最有可能铁离子储量低，"但男性也并非不缺铁，尤其是在他们不吃肉类而又从事高强度的体力活动的情况下。"

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