YOU SAID:

a blue wale has a big tail

INTO JAPANESE

青いウェールは大きな尻尾を持っています

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The blue wales have a big tail

INTO JAPANESE

シロナガスクジラは大きな尾を持っています

BACK INTO ENGLISH

Blue whale has a large tail

INTO JAPANESE

シロナガスクジラは尾が大きい

BACK INTO ENGLISH

Blue whales have large tails

INTO JAPANESE

シロナガスクジラは尾が大きい

BACK INTO ENGLISH

Blue whales have large tails