Dermatophagoides farinae is one of the main pathogenic mites causing human acariasis.粉尘螨是人体螨病的主要病原螨之一.The purpose of the study is to characterise 101 cases of pulmonary acariasis patients.本文总结了101例肺螨病患者的临床表现、胸部X线 特征及用甲硝达...
Each brick also varies slightly in tone, texture and size.每块砖在色调、质地与大小上也都略有不同。On South Main Street, a huge brick building looms into view.在南大街上，一座巨大的砖砌建筑赫然出现在人们的视线中。He flattened himself against a brick wall as I passed.他...
Give so little. Receive so much. Again and again and AGAIN!付出如此之少, 回报却如此的丰厚,而且是源源不断!The helicopters will fly again and again and again.这些“直升机”将会一波又一波地实施空投.Again and again the test met with no success.这一试验一再遭到失败....