Write an English composition, a story of 80 words, with Chinese translation.

My sister is a primary school teacher. One of her students told her that a bird has built its nest in a tree outside the classroom.

"What bird?" My sister asked.

"I don't see any birds, madam, only a bird's nest," the child replied.

"Then, can you describe this bird's nest for us?" My sister encouraged her.

"Well, madam, it's just to reassemble your hair. "The following is a translation of this joke, which may be helpful to you.

Bird's nest and hair

My sister is a primary school teacher. Once, a student told her that a bird had built a nest in a tree outside the classroom.

"What kind of bird is it?" Sister asked her.

"Teacher, I don't see any birds, only a bird's nest." The child replied.

"So, can you describe this bird's nest for us?" My sister encouraged her.

"Oh, teacher, just like your hair."