Atriopore
围鳃腔孔, 心房口
🗣️ 情景例句
Where di you go to high school?
你在哪儿上高中？
Your right hand is swollen.Does it hurt?
你的右手是肿的.它受伤了吗？
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。