YOU SAID:

Today I saw fifteen sharks and they started to swim towards me whilst waving their fins in the air.

INTO JAPANESE

今日私は 15 サメを見て、彼らは空気の彼らのひれを振ってながら私に向かって泳ぐようになった。

BACK INTO ENGLISH

Today I 15, watching the sharks while they shake their air fins to swim towards me.

INTO JAPANESE

今日は 15、サメを見て彼らは私に向かって泳ぐ彼らの空気のフィンを振る。

BACK INTO ENGLISH

Today we look at 15, sharks, they shake the fins of air they swim towards me.

INTO JAPANESE

今日は 15、サメを見て、彼らは私に向かって泳ぐ彼らの空気のフィンを振る。