YOU SAID:

Once I was at the aquarium and I made eye contact with a shark

INTO JAPANESE

私は水槽にいたと私はサメとアイコンタクトをした

BACK INTO ENGLISH

I was in the aquarium and I made eye contact with sharks

INTO JAPANESE

私は水族館にいた、そして私はサメとアイコンタクトをした

BACK INTO ENGLISH

I was in the aquarium and I made eye contact with sharks