megacephalic

例句：

1. 1.The patient had a megacephalic tumor on the back.
   病人背上有一个多头肿瘤。
2. 2.The spider has a megacephalic body shape.
   蜘蛛的身体呈多头状。
3. 3. The child was born with a megacephalic skull.
   这个孩子出生时头部是多头的。