... 清洗用火山灰Volcanic ash for cleaning 清洁用白垩Cleaning chalk 去污剂Stain removers ...
基于210个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
That was why students on duty of cleaning were going to sweep a stack of chalk ends after class.
这就是放学后值日的同学总要清扫一大堆粉笔头的原因了。
youdao
应用推荐
模块上移
模块下移
不移动