The coat is made of water-resistant material. 这件外套是用防水材料做的。
Lanxi Ooston Waterpoof Materials Factory was set uo by a returning doctor wbo had been studying in Gremany.It produces the new-style building waterproof materials. 兰溪市诺西顿防水材料厂由留德博士回国创办，专业生产新型建筑防水材料。
