我相信13这个数字不吉利。I'm superstitious about the number 13.很多人认为十三是个不吉利的数字.Many people think thirteen is an evil number.星期五被认为是不吉利的日子.Friday is believed to be an unluckyday....
She dusts every day.她每天都掸灰.He began to search for her through the bush, pulling up trees and raising the dusts.他开始在丛林中搜寻她, 拔起树木,扬起尘土.Recovery of valuable dusts and fumes for economic reasons is also a major application.从...
他的鞋子是用几段旧带子系的.His shoes were tied on with old bits of string.我们系的学生总共有几百人.The students of our department numbered in the hundreds.“ 你真该瞧瞧他系的那条领带." You ought to have seen the tie he had on....