Periostea
periosteum的复数
🗣️ 情景例句
Yeah. A left.
是的 向左转。
Marriage is a lottery with more blanks than prizes.
结婚如同摸彩票，空票多而中票少。
Rescue workers are therefore drilling a hole on the north side of the mine.
因此，营救人员在矿井的北侧钻了一个洞。