wastebottle表示垃圾瓶，是可数名词，复数是wastebottles，例如：
A coat hanger utilizing waste bottles is a coat hanger formed by connecting and assembling a hanger， a connecting body and waste bottles， or a multipurpose hanger used for placing articles.利用废瓶的挂衣架是由挂钩、连接体和废瓶子连接组装构成挂晾衣物的挂衣架或置物多用挂架。
