These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.这些猪在自然条件下已受到含有隐蔽流感病毒的肺丝虫寄生.A NEW SPECIES OF PROTOSTRONGYLID LUNGWORM FROM TAKIN ( STRONGYLATA: PROTOSTRO...
他们中会有一人看着后面的路，提醒我们注意过来的车辆。One of them would keep a look-out on the road behind to warn us of approaching vehicles.然后,她伸出一只粗壮的手臂拦住后面的人, 队伍停了下来.Then she interposed a stout arm, and the line halted, with six men on the step...
这套设备受到全球高保真音响专业报刊的赞誉。All this equipment has received international acclaim from the specialist hi-fi press.从报刊的文字判断, 不难看出许多人热衷于仓促出版.Judging by the letters in the newspapers, one infers that many people are anxious to rus...