Periosteoma
[医] 骨膜瘤
🗣️ 情景例句
She has a high reputation as a writer.
她是个有名气的作家。
It is easier to raise the devil than to lay him.
养虎易，驯虎难。
These are partly a matter of personal circumstances, partly a matter of psychology.
这里一方面是个人所处的环境，另一方面是个心理学的问题。