名词中文翻译
中文翻译：背鳍
同义词：
['backbone', 'backplate']
例句：
-
1.The fish had a long backfin to help it swim quickly.
这条鱼有一根长长的背鳍，帮助它快速游动。
-
2.The backfin of the shark is very strong and can be used for defense.
鲨鱼的背鳍非常强壮，可以用来防御。
-
3. The backfin of the whale is used for propulsion during its migration.
鲸鱼的背鳍在迁移过程中用于推进。