by同音词是什么

by有多种音词，常见的包括：

1. Bye: 告别，离开。(如：Say bye to your friends before you go home.)

2. Buy: 购买。(如：I need to buy some groceries at the supermarket.)

3. Bi: 二，双。(如：Bilingual means someone who can speak two languages.)

4. Pie: 派。(如：I love apple pie for dessert.)

5. Eye: 眼睛。(如：She has beautiful blue eyes.)