名詞 derby:

1. a felt hat that is round and hard with a narrow brim
   同義詞：bowler hat, bowler, derby hat, plug hat

1. Ooh, I know there is something I mean to tell you, we have get an invitation from Derby to celebrate Christmas.
   哦，我知道有件事我原想告訴你的，我們已接到德比的邀請去慶祝圣誕。
2. The monarch raced her horses in the derby each year.
   女王每年都將馬送去參賽的馬賽
3. A motorcycle derby.
   摩托車公開賽
4. I haven't got a crystal ball so I do not know which horse is going to win the Derby.
   我沒有掌握預(yù)言未來的方法，因此我不知道哪一匹馬會贏得大賽馬的勝利。

der.by

n.（名詞）
【復(fù)數(shù)】 der.bies
Sports Any of various annual horseraces, especially for three-year-olds.
【體育運動】 德比馬賽：每年一度的馬術(shù)比賽，尤指為三歲的馬舉行的比賽
Sports A formal race usually having an open field of contestants:
【體育運動】 公開賽：對參賽者公開參賽條件的正式比賽：
例句：
a motorcycle derby.
摩托車公開賽

A stiff felt hat with a round crown and a narrow, curved brim.
常禮帽：圓頂，窄的彎曲帽檐的硬氈帽

來源：
After Edward Stanley, 2th Earl of Derby (752-834), founder of the English Derby
源自愛德華·斯坦利 德比 十二等伯爵(752-834年），英國德比創(chuàng)建者