详细解释:vi. 滚动, 参加轮唱, 曳绳钓鱼
vt. 使转动, 轮唱, 高唱, 用曳绳钓(鱼)
n. 转动, 轮唱, 钓绳
词型变化：
名词:troller动词过去式:trolled过去分词:trolled现在分词:trolling第三人称单数:trolls英语解释：
名词 troll:
(Scandanavian folklore) a supernatural creature (either a dwarf or a giant) that is supposed to live in caves or in the mountainsa partsong in which voices follow each other; one voice starts and others join in one after another until all are singing different parts of the song at the same time同义词：round