Periostea
periosteum的复数
🗣️ 情景例句
Sure.
当然是。
To know everything is to know nothing.
事事皆知，事事不懂。
As soon as he saw us, he picked up a long pipe which was covered with coins and opened one of the baskets.
他一见我们，就拿起了一个长长的上面镶有硬币的管乐器，并掀开了一个筐的盖子。