comma

A punctuation mark (,) used to indicate a pause or separation of elements within a sentence, or a type of butterfly with a distinctive comma-shaped mark on its wings.

• 🇨🇳标点符号（，），用于表示停顿或分隔句子中的成分；也指一种翅膀上有形似逗号斑纹的蝴蝶。

1. Punctuation mark A2 formal

   A punctuation mark (,) used to separate elements within a sentence, such as items in a list, clauses, or phrases.

   • Use a comma to separate items in a list, like apples, bananas, and oranges.
   • A comma should be placed before a conjunction in a compound sentence.
   • She added a comma after the introductory phrase.

   🇨🇳逗号

2. Butterfly species C1 formal

   A type of anglewing butterfly (Polygonia c-album) that has a small white comma-shaped mark on the underside of each hind wing.

   • The comma butterfly is often seen in gardens during late summer.
   • I spotted a comma resting on a leaf with its wings closed.
   • The distinctive comma mark on its wing helps identify this species.

   🇨🇳逗号蛱蝶

• commas plural form
• commas' possessive plural form
• comma's possessive singular form