junk的英标是：英[dk] ， 美[dk]
junk的意思是：
n. 废旧物品; 无用的东西; 无价值的东西; 中国式帆船;
vt. 把…当作废物扔弃; 丢弃; 废弃;
有关例句：
1、I wouldn't have time to scout the area forjunk.(我不会有时间在那个地区找废物。)
2、They are certainly notjunk, and for some people, they may be the best computers money can buy.(它们肯定不是垃圾，而且对有些人而言，它们可能是金钱可以买到的最佳电脑。)
3、Too many children were eatingjunk food, especially chips.(有太多的孩子在吃垃圾食品，尤其是薯条。)
贝壳athena
