YOU SAID:

Listen, in order to maintain air-speed velocity, a swallow needs to beat its wings 43 times every second, right?

INTO JAPANESE

いいかい、ツバメは対気速度を維持するために毎秒43回羽ばたく必要があるんだよね？

BACK INTO ENGLISH

You know, a swallow needs to flap its wings 43 times per second to maintain airspeed, right?

INTO JAPANESE

ツバメは対気速度を維持するために毎秒43回羽ばたきますよね？

BACK INTO ENGLISH

Swallows flap their wings 43 times per second to maintain airspeed, right?

INTO JAPANESE

ツバメは対気速度を維持するために毎秒 43 回羽ばたきますよね?

BACK INTO ENGLISH

Swallows flap their wings 43 times per second to maintain airspeed, right?