| 释义 |
DEFINITIVE EXAMPLES 权威例句He estimated that the average American consumes about 45 micrograms of possibly carcinogenic man-made pesticide residues in a day.他估计普通美国人每天摄入约45微克有可能致癌的人造杀虫剂残留物。剑桥国际The report claims that some people in England and Wales are consuming about 300 micrograms of lead per day from drinking water.这份报告表明英格兰与威尔士人每天从饮用水中吸收大约300微克的铅质。剑桥国际 |