常用防腐剂是乙二醇或丙二醇，因为随着酒精快速挥发，捕集器也随之恢复干燥。

The preservative used is usually ethylene glycol or propylene glycol, as alcohol will evaporate quickly and the traps will dry out.

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但当服用补铁剂4个月后，大多数铁水平恢复正常的女性测验得分与第一次测验时最好的一组成绩相当。

Yet after 4 months of taking iron supplements, most of the women, with their iron levels back to normal, scored as well as the best group in the first test.

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肯尼亚著名马拉松运动员卫斯理·科利尔十分信赖抗氧化补充剂，他深信这类产品让他保持健康，帮助他在训练中取得更快的成绩，恢复得也更快。

Elite marathon runner Wesley Korir of Kenya swears by antioxidant supplements, which he believes have kept him healthy, allowing him to do faster workouts and recover more quickly.

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