Retinal detachment, myopic maculopathy , glaucoma, and cataract are four major complications can cause blindness.网膜剥离 、 高度近视性黄斑部病变 、 青光眼 、 白内障是四大重要并发症可导致失明....
Gerund is used partly as a noun, partly as a verb.动名词部分当作名词, 部分当作动词.The noun is followed by an intransitive verb.这个名词后接不及物动词.The word “person” is a countable noun.person这个词是个可数名词。In “the black cat” the adjective “black”m...