单词 皮环 例句 DEFINITIVE EXAMPLES 权威例句〔brace〕Music A leather loop that slides to change the tension on the cord of a drum.【音乐】 滑动皮环:通过滑动以改变鼓弦张力的皮环美国传统〔lug〕Underneath a pattern of lugs and treads provides a sure grip ev...