shark.的例句（shark.在句子中的用法）

• a shark's dorsal fin 鲨鱼的背鳍
• Many of the crew died a terrible death as they thrashed about in shark-infested waters... 很多船员在鲨鱼成群的水域中拼命挣扎，死状惨不忍睹。
• ...the great white shark. 大白鲨
• The shark dived down and swam under the boat. 鲨鱼急速潜入水中，在船下游动。