1. 脐：男生的话也差不多,只差不会把肚脐(navel) 露出来而已. 所以 dress 一般指的是女生正式的服装,特别是那种低胸 (low cut)连身带裙子的礼服 (evening gown),有时候我们还可以用dressy来强调这件dress 很漂亮很时髦,例如,

2. 肚肌：chest 胸部 | navel 肚肌 | abdomen 腹部

3. 中央：navel blockade 海上封锁 | navel 中央 | Navi-Drill 纳维钻具

1. 肚脐;脐
Your navel is the small hollow just below your waist at the front of your body.

noun

1. a scar where the umbilical cord was attached

e.g. you were not supposed to show your navel on television
they argued whether or not Adam had a navel
she had a tattoo just above her bellybutton

Synonym: umbilicusbellybuttonbelly buttonomphalosomphalus

2. the center point or middle of something

e.g. the Incas believed that Cuzco was the navel of the universe

Synonym: navel point