pelvic fin
US /ˈpel.vɪk fɪn/
UK /ˈpel.vɪk fɪn/
名詞
1.
腹鰭
either of a pair of fins on the underside of a fish's body, typically behind the pectoral fins, that help control direction and stability
範例:
•
The fish used its pelvic fins to maintain balance in the current.
這條魚用它的腹鰭在水流中保持平衡。
•
Sharks have two pelvic fins located near their cloaca.
鯊魚有兩個位於泄殖腔附近的腹鰭。
同義詞:
在 Lingoland 學習這個單詞