该手术要在角膜上做几个切口。The operation involves making several cuts in the cornea.在疾病后期,不透明的角膜可能产生溃疡,甚至穿孔.In advanced stages the opaque corneas may ulcerate and even perforate.光通过角膜进入眼睛.Light enters the eye through the cornea....
Hawkins joined up with Mick in Malaga, and the two went touring around the countryside.霍金斯在马拉加和米克会合，然后两个人到乡间游玩去了。After a much more painful siege , lasting three months, Malaga fell too.经过三个月更艰苦的围攻后, 马拉加也遭沦陷.I thought of ...
But don't call him lucky, Pete, that's underrating him.但是,别说他侥幸, 彼得, 那样说就等于低估了他.Underrating has the advantage of increasing physical life.低负荷运行具有能延长物理寿命的优点.I still go on underrating men of gold.我仍瞧不起腰缠万金的人....
Who was at the helm when the collision occurred?当碰撞发生时,谁在掌舵?Down [ Up ] with the helm!转舵背 [ 迎 ] 风开!The boat seemed very slow to answer to any movement of the helm.这只船似乎对舵的转动的反应很不灵敏....