Polypidom
n. ( 水螅型) 珊瑚虫群体的附着基
🗣️ 情景例句
So long.
再见。
A good friend is my nearest relation.
良友如近亲。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。