柯林斯詞典rapids /?r?p?dz/ 1. N-PLURAL Rapids are a section of a river where the water moves very fast, often over rocks. 急流 His canoe was there, on the river below the rapids. 他的獨木舟就在那兒，在河中急流下面的地方。 返回 rapids劍橋詞典a dangerous part of a river that flows very fast because it is steep and sometimes narrow 急流，湍流 They shot (= travelled through) the rapids in a canoe . 他們乘獨木舟飛速穿過急流。 返回 rapids