名詞 comma:

1. a punctuation mark (,) used to indicate the separation of elements within the grammatical structure of a sentence
2. anglewing butterfly with a comma-shaped mark on the underside of each hind wing
   同義詞：comma butterfly, Polygonia comma

1. The clause should be set off by a comma.
   這個從句應該用逗號隔開。
2. A comma is sometimes used to set off a clause in a sentence.
   逗號有時用來隔開一個句子中間的從句。
3. The two clauses are separated by a comma.
   這兩個分句由一個逗號分開。
4. Stop quibbling about the use of the comma.
   別再爭辯逗號的用法了。

com.ma

n.（名詞）
Abbr. com.Grammar A punctuation mark (,) used to indicate a separation of ideas or of elements within the structure of a sentence.
縮寫 com.【語法】 逗號：一種標點符號（,），用于表示句子結(jié)構內(nèi)思想或要素的分開
A pause or separation; a caesura.
停頓或隔開；中止
Any of several butterflies of the genusPolygonia, having wings with brownish coloring and irregularly notched edges.
銀紋多角蛺蝶：一種銀紋多角蛺蝶 屬蝴蝶，有棕色、帶不規(guī)則V字形凹口邊緣的翼

來源：
Latin
拉丁語
from Greek komma [piece cut off, short clause]
源自 希臘語 komma [切成的塊，短分句]
from koptein [to cut]
源自 koptein [切]