lengths后缀长及…的,长度达到…的a knee-length skirt长及膝盖的裙子…时长的a full-length movie (= one which has not been shortened)未删节的电影/leŋθ/名词长,长度a length of rope一条绳子花费的时间the length of a film/speech/play电影/演讲/话剧的时长想跟读,去练习