oscillating tail-fin
英
美
- fin n.鳍；鱼翅；鳍状物；散热片；五元纸币
- oscillating adj.振荡的；犹豫的动词oscillate的现在分词形式.
- tail n.后部；尾巴；尾部；辫子；跟随者(复）tails:燕尾服；(硬币的)反面vt.跟踪；盯...的梢；为...装尾巴vi.尾随；附于其后；逐渐减少
- The fish uses its tail fins for propulsion through the water.
鱼靠尾鳍在水中前进。
- The lower lobe of the deeply forked caudal fin is longer than the upper lobe.
尾鳍深叉型，下叶比上叶长。
