loop是什么意思 n. 环, 圈, 弯曲部分, 循环vt. 使成环, 以圈结, 以环连结vi. 打环, 翻筋斗[计] 循环 n. anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)n. an inner circle of advisors (especially under President...