dehydration

Early dehydration – no signs or symptoms.

早期脱水——无迹象或无症状。

There is no specific treatment for yellow fever, only supportive care to treat dehydration and fever.

对黄热病没有特效治疗方法，支持性治疗只是治疗脱水和发热。

Literally. Tears not only lubricate our eyeballs and eyelids, they also prevent dehydration of our various mucous membranes.

从字面上看，泪水不仅润滑我们的眼球和眼睑，还可以防止各种黏膜脱水。