bee是可数名词,指蜂科昆虫，特指“蜜蜂”。用于比喻可指“忙人”。

as busy as a bee
忙得团团转 be up to one's ears in work; run round in circles
She is as busy as a bee in the morning.早上她总是忙得团团转。
People are sometimes as busy as bees.人们有时也像蜜蜂一样忙碌。

Bees buzz.蜜蜂嗡嗡叫。
Bees sting.蜜蜂蜇人。
Bees swarm.蜜蜂成群飞舞。
The bee makes honey.蜜蜂酿蜜。
The bee is going from flower to flower.那只蜜蜂在花间飞来飞去。
Honey is made by bees.蜂蜜是蜜蜂酿造的。
There is a swarm of bees in the tree.这树上有一窝蜜蜂。
A bee is a very useful insect.蜜蜂是十分有益的昆虫。
He likes to keep bees in his spare time.他业余时间喜欢养蜂。
Tom's a real busy bee today.汤姆今天真是个大忙人。
The ship is sailing in a bee line.船沿一直线行驶着。
He has the presidential bee in his head.他一心想当总统。