YOU SAID:
truck filled to the brim with shrimps
INTO JAPANESE
トラックはエビでいっぱいだった
BACK INTO ENGLISH
The truck was full of shrimp.
INTO JAPANESE
トラックにはエビがいっぱいでした。
BACK INTO ENGLISH
The truck was full of shrimp.
That didn't even make that much sense in English.