"Butterfly" is a noun in English words, which means "butterfly" in Chinese. Butterfly is an insect with colorful wings and light and elegant flight. It has been regarded as a symbol of beauty, purity and love since ancient times.

Here are some common fixed collocations and usage extensions:

1. Social butterfly: social expert

She is a real social butterfly and knows everyone at the party. )

2. Butterfly effect: Butterfly effect

For example, the butterfly effect shows that small changes can have a big impact. )

Step 3 be nervous

Before the speech, I had butterflies in my stomach. I was very nervous before giving the report. )

4.butterfly kiss: butterfly kiss

Sarah gave her daughter a kiss on the cheek. )

5. Butterfly joint: butterfly tenon

For example, butterfly joints are often used in carpentry to strengthen the connection. )