It causes blindness or serious loss of vision.这能导致失明或视力严重受损。Early diagnosis and treatment can usually prevent blindness.早期的诊断和治疗通常可以预防失明。I have long since come to terms with my blindness.我早就安于自己的失明了....
这种维生素通过小肠壁被吸收。This vitamin is absorbed through the walls of the small intestine.肠肽酶是由小肠壁的腺体分泌的.Erepsin is secreted by glands in the wall of the small intestine.肠壁薄,几乎是透明的,这可能是因绒毛萎缩.The wall is thin and almost transparent...
He was making a visible effort to control himself.他明显是在努力控制自己的情绪。It is incumbent upon all of us to make an extra effort.我们所有人都必须加倍努力。Even carrying the camcorder while hiking in the forest was an effort.在森林中徒步旅行时，即便带的是便携式...