The dustless chalk is of good quality, go and get some more.这批无尘粉笔的质量不错, 再去买一些吧!The characteristics of dustless compouded lead salt stabilizer are good, and without dust poison.无尘复合铅盐稳定剂性能优良, 无粉尘毒害....
议员离开了会议厅。The members left the council chamber.那牛闯进村会议厅,造成一片混乱.There was absolute mayhem when the cow got into the village hall.我们每次都在会议厅听他讲话。We are going to be in the council chamber every time he speaks....