Endocardium
n. 心内膜\\n[医] 心内膜
🗣️ 情景例句
That shop sells quality goods.
那家店卖的东西很好。
What is done by night appears by day.
若要人不知，除非己莫为。
No! But the children are not alone. There are some animals on the island.
没有！但岛上并非只有孩子们。岛上还有一些动物。