為您提供dilution考試真題。" />

色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

首頁英語詞典dilutiondilution考試真題

dilution

英 [da?'lu??n] 美[d?'lj???n]
  • n. 稀釋，沖淡；稀釋法；沖淡物

考試真題

But at a time when the American factory seems to be a shrinking presence, and when good manufacturing jobs have vanished, perhaps never to return, there is something deeply troubling about this dilution of American craftsmanship.

出自-2013年6月閱讀原文