Your body converts excess glucose into fat, which is usually stored in the midsection for access to quick energy. 你的身体会将过多的葡萄糖转化成脂肪储存在上腹部以便很快的获得能量。
The motor, placed in the fish's midsection, initiates a wave that travels along the fish's flexible body, propelling it forward. 发动机置于鱼的上腹部，它所发动的电波会传送至鱼的全身，从而驱动其向前移动。
