chalking

动词 chalk:

1. write, draw, or trace with chalk
   同义词：chalk

1. A municipal borough of southeast England on the Strait of Dover opposite Calais, France. Site of a Roman lighthouse, it has been a strategic port since medieval times. The chalk cliffs rising above the city have caves and tunnels originally used by smugglers. Population, 33,700.
   多佛尔与法国加莱市隔岸相对的英格兰东南部自治市，临多佛尔海峡。罗马灯塔遗址，自中世纪以来就是战略要地，该市白垩崖多岩洞和涵洞原为走私者所用。人口33, 700
2. Our school contracted with the nearest shop for50 boxes of chalk a month.
   我们学校同最近的一家商店每月订购50盒粉笔。