常見例句Any of several snakes, such as the mud snake, said to grasp the tail in the mouth and move with a rolling, hooplike motion. 鐵環(huán)蛇:一種蛇,如泥蛇,據(jù)說它們能將尾銜于口中,象滾鐵環(huán)一樣前進(jìn) 返回 hooplike