You'll want to hire an EPA-certified water testing company; tests run about $20.
你可以花20美元，聘请由美国环保署认证的公司帮你测试。
Women run about a third of small businesses in rich countries, but it is not an easy option.
富裕国家小企业主有三分之一是女性，但这个选择并不容易。
After all, what we do in the next couple of years hardly matters at all for U.S. solvency, which mainly depends on what we'll do in the long run about Medicare and taxes.
毕竟，未来一两年内我们所做的事情跟美国的偿还能力关系不大，因为这种偿还能力主要取决于我们在“老年医保”和税收方面长期采取的行动。
It feels no need to run about, slamming against obstacles.
没有必要跑来跑去，跟障碍较劲。
Little children run about playing with balloons and eating ice creams.
小孩子跑来跑去玩着气球，吃着冰淇淋。
If you run about 25 miles a week, you'll need a new pair every four months.
如果你每星期跑25英里左右，每四个月就更换一双新鞋。
You should only run about 4-10 ads at a time per campaign depending on the daily traffic levels.
在同一时间，你应该仅仅运行4 -10个广告，广告的数量取决于每天的流量水平。
They run about everywhere to borrow money, and everybody tells them that they have none to lend.
他们到处去向人借贷货币，但人家都说没有货币出借。
Building an 8-by-4-foot raised bed and filling it with compost and soil will run about $80, Mr. Wolford figures.
根据沃芙德的计算，垫高一块8x4平方英尺的地，并用混合肥料和土壤填好，这要花大约80美元。
"Oh, you fool," said the father, "why should you want to run about there?" Afterwards you will be tired, and no longer able to raise your arm.
“你个小傻瓜，”父亲说，“你现在要是到处乱跑，待会儿会累得连胳膊都抬不起来的。”
In the afternoon of a certain summer's day, after Pearl grew big enough to run about, she amused herself with gathering handfuls of wild-flowers, and flinging them, one by one, at her mother's bosom;
一个夏日的午后，那时珠儿已经长大，能够到处跑了。孩子采集了一把野花自己玩着，她把野花一朵接一朵地掷到母亲胸口上；
Under the severe operating conditions, the life of its quick-wear parts, valves, is too short to accomplish one run (about 2.5 hours).
由于工作条件相当恶劣，压裂泵的易损件——阀的使用寿命相当低，甚至于不足以完成一次作业(约2.5小时)。
Under the severe operating conditions, the life of its quick-wear parts, valves, is too short to accomplish one run (about 2.5 hours).
由于工作条件相当恶劣，压裂泵的易损件——阀的使用寿命相当低，甚至于不足以完成一次作业(约2.5小时)。
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