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The male narwhal's extraordinary 1 tusk, up to three meters long, inspired 2 legends 3 of unicorns long ago.
公角鲸奇特的长牙（长达三米）在古时曾引发关于独角兽的传说。
youdao
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The male narwhal's extraordinary 1 tusk, up to three meters long, inspired 2 legends 3 of unicorns long ago.
公角鲸奇特的长牙（长达三米）在古时曾引发关于独角兽的传说。
youdao