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....
在即将到来的选举中，我们将面临一场恶斗。We'll face a tough fight in the upcoming election.首都加强了警备，准备迎接总统的到来。Security tightened in the capital in readiness for the president's arrival.他等待已久的时刻终于到来。Here, at long last, was the moment...