(2)内部结构 虫体前半部向内凹陷形成两个 吸盘 ( sucking disk )。 吸盘 底部并列2个圆形泡状核(nucleus),每个核内各有1个大核仁。
双语例句
1
Marine fishes with a flattened elongated body and a suckingdisk on the head for attaching to large fish or moving objects.
身体扁平细长的海生鱼,头部有吸盘,可吸附于大鱼或移动的物体上。
2
The utility model is composed of a top-suckingdisk, a hanging chain, a decorative cap, a supporting rod seat, a supporting rod, a circular ring, a lamp holder arranged on the supporting rod, etc.