The coat is made of water-resistant material. 這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. 蘭溪市諾西頓防水材料廠由留德博士回國創辦,專業生產新型建築防水材料。