探险人员面临着几乎是无路可通的峡谷和常常是无法渡过的河流。
The explorers were confronted with gorges(that were)almost impassable and rivers(that were)often unfordable.
我们的新办公室每小时可处理500通电话。
安体舒通(阿尔达克通)就是一种利尿剂,可帮助缓解PMS的一些症状。
Spironolactone (Aldactone) is a diuretic that can help ease some of the symptoms of PMS.
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