英文: Cells in the right parietal operculum
operate as we act in response to other's gestures.
中文: 当我们对他人的手势作出反应时，起作用的是我们右顶骨的细胞。 更详细...
英文: Gently hold the male on his back with one hand to expose his underside, and with the other hand, simultaneously squeeze his body in a direction from behind the operculum
to the gonopodial area.
中文: 轻轻的用一只手抓住公鱼并且让它肚皮朝上，同时用另一只手顺着一个方向从鱼鳃后部到肛门处挤压。 更详细...
英文: Development period from the oosperm to the zygomorphic operculum
completely closed lasts . hours at 8-℃.
中文: 在8-℃条件下,早期胚胎发育全过程共历时 .h. 更详细...