Read Edit View history 背鳍 bèiqí dorsal fin Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 背鳍/背鰭 · bèiqí · dorsal fin 2026/03/04 背鳍 / 背鰭 bèiqí dorsal fin dorsal fin 鲨鱼的背鳍露出了水面。 created sense Mar 4, 2026, 02:25 AM