sturgeon
US /ˈstɝː.dʒən/
UK /ˈstɝː.dʒən/

1.
チョウザメ
a large primitive fish of northern waters, with rows of bony plates on the body and a projecting snout. It is a valuable food fish, and its roe is made into caviar.
:
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The fisherman caught a massive sturgeon in the river.
漁師は川で巨大なチョウザメを捕まえた。
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Caviar is made from sturgeon roe.
キャビアはチョウザメの卵から作られる。