"Bee" isn't a very important word to say for a non-english speaker because it isn't something you need to know how to say to carry a conversation. Rather, a non-english speaker could learn the word "insect" or "bug" to describe a bee or any other insect for that matter. They could use these two word to describe ants, butterflies, grasshoppers, and more. Yet, English speakers wouldn't even hesitate in knowing what the non-english speaker means by "insect" or "bug". Therefore, a non-english speaker would not need to know the word "bee".
I hope my answer helps!