Piperazine citrate is the drug of choice in the treatment of Ascaris infestations.枸橼酸哌嗪治疗蛔虫感染是最好的药物.These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.这些猪在...
Prudence cannot be at the expense of prestige when it comes to the Trident nuclear deterrent.在“三叉戟”系统(Trident)的核威慑力问题上,节俭是要的,但不能以牺牲声望为代价.Jones said he was taking the elevator to the hotel lobby Trident.中英文对照:琼斯说,他当时搭电梯前往...