名詞 abdominal:

1. the muscles of the abdomen
   同義詞：abdominal muscle, ab

形容詞 abdominal:

1. of or relating to or near the abdomen

1. The abdominal segment of an insect.
   腹面昆蟲的腹部體節(jié)
2. Relating to or situated on or close to the abdomen; abdominal.
   腹的; 腹部的; 腹面的關(guān)于或位于或鄰近腹部的; 腹部的
3. She had abdominal pains yesterday.
   她昨天腹痛。
4. I'll have an abdominal operation tomorrow.
   我明天要做個(gè)腹部手術(shù)。

ab.dom.i.nal

adj.（形容詞）
Of or relating to the abdomen.
腹部的：腹部的，與腹部有關(guān)的
n.（名詞）
An abdominal muscle. Often used in the plural.
腹肌：腹肌。常用作復(fù)數(shù)

【引伸】
abdom.inally
adv.（副詞）