river blindness

同根派生

Another one is called trachoma, or river blindness.
這些都是喜人的戰果，但還有更多的事情等著我們去做。
The area should be free of major environmental health hazards such as malaria, onchocerciasis (river blindness), schistosomiasis (bilharzia), or tsetse fly.
安置點必須遠離重大的環境健康威脇：如瘧疾、磐尾絲蟲病(河盲症)、血吸蟲病(比哈西亞症)或者採採蠅(睡病蠅)。
The river had worn a ravine between the hills.
那條河在兩山之間已造成一個深穀。
Can we dredge the river to make it deeper?
我們能不能把這條河疏濬得深一點？
Navigation is difficult on this river because of the hidden rocks.
因爲河上有暗礁，所以在這條河上航行很睏難。