YOU SAID:

noah brought two of each species on the boat with him

INTO JAPANESE

ノアはボートに2種ずつ乗せてきた

BACK INTO ENGLISH

Noah's got two of each kind on the boat.

INTO JAPANESE

ノアはボートに２つずつ乗ってる

BACK INTO ENGLISH

Noah's on a boat, two at a time.

INTO JAPANESE

ノアはボートに乗ってる2人ずつだ

BACK INTO ENGLISH

Noah's on the boat, two at a time.

INTO JAPANESE

ノアはボートに2人ずつ乗ってる

BACK INTO ENGLISH

Noah's on the boat, two at a time.