眼科医生现在采用激光手术来矫正近视。Ophthalmic surgeons are now performing laser surgery to correct myopia.女孩眯起眼睛看照片。她好像近视。The girl squinted at the photograph. She seemed to be nearsighted.检查表明她近视得很厉害。Testing showed her to be very short-s...
溃疡已经折磨她好几年了。The ulcer had been troubling her for several years.“那是因为我得了溃疡，”他补充解释说。"It's my ulcer," he added by way of explanation.一种细菌被断定为造成他十二指肠溃疡的根源.A bacterium is identified as the cause for his duodenal ulcer....
他的三角学分数很低.He received a low mark for trigonometry.该山的高度已用三角学测得.The height of the mountain has been determined by trigonometry.恒河三角学洲的地下淤积物中含有砷.The underground sediment of the Ganges Delta contains arsenic....