peru 21

秘鲁21

per se───adv.本身，自身

perk up───昂首翘尾；活跃起来；振作精神

peruke───n.男子假发

peruked───细读

perukes───n.男子假发

perusal───n.熟读；精读

peruse───vt.详细考察；精读

perused───vt.详细考察；精读

peruser───n.细读者

Arsenic is found in the subsoil in that area of Peru and often contaminates the drinking water there, according to Peruvian geologists quoted on Sept. 21 by National Geographic News.───砷是在发现底在这方面秘鲁，而且往往污染饮用水源，根据秘鲁地质学家引述9月21日，由国家地理杂志的消息。