river blindness

同根派生

Another one is called trachoma, or river blindness.
這些都是喜人的戰(zhàn)果，但還有更多的事情等著我們?nèi)プ觥?/li>
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(huán)境健康威脅：如瘧疾、盤尾絲蟲病(河盲癥)、血吸蟲病(比哈西亞癥)或者采采蠅(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谷。
Can we dredge the river to make it deeper?
我們能不能把這條河疏浚得深一點？
Navigation is difficult on this river because of the hidden rocks.
因為河上有暗礁，所以在這條河上航行很困難。