The camp is surrounded by razor-wire fences and guarded by military police.营地周围架着尖利的铁丝网，且有宪兵看守。He plugged his razor in to recharge it.他把剃刀插在插座上，给它充电。He had razor - sharp creases in his trousers.他的裤缝笔挺挺的....
He found evidence of mutated forms of the gene.他找到了该基因出现了变异形式的证据。It is far too early to make sweeping statements about gene therapy.现在对基因疗法下结论还为时过早。The gene is only part of the causation of illness.基因只是致病的部分原因。...
Acute appendicitis usually develops without relation to the ingestion of food.急性阑尾炎的发生通常与饮食无关.Septicemic listeriosis probably develops from ingestion or possibly inhalation of the bacteria.败血性李氏杆菌病可能是因食入或吸入病原菌引起的.The pro...