| 释义 |
undertow
UK ['ʌn.də.təʊ] US [-dɚ.toʊ] noun countable usually singular
■a strong current flowing under water in a different direction to the way the water on the surface is moving, especially the strong current that flows under water away from the land at the same time as a wave hits the beach 水下逆流；（尤指）退浪，回卷 |