Knucklebone
n. 指關節骨, 骨
??? 情景例句
The match was postponed to the following Saturday because of bad weather.
比賽因天氣不好而延期到下個星期六進行。
I'm glad to hear about your graduation.
我很高興得知你畢業了。
I'm afraid I don't understand.
恐怕我還不明白您的意思。