Periostea
periosteum的复数
🗣️ 情景例句
How much will it cost?
需要多少钱？
All is not at hand that helps.
有用的东西并不都是垂手可得的。
Now Alfred began a long series of skirmishes -- and within a month the Danes had surrendered.
这时，阿尔弗雷德发起一连串小规模的进攻，结果不出一个月，丹麦人就投降了。