1.horseback n. 馬背 adv. 在馬背上地 adj. 在馬背上的,臆斷的
We continued up the mountain on horseback.
我們騎著馬繼續上山.
2.extort v. 勒索, 敲詐, 強要
Don't extort money from others.
勿強拿別人的錢。
3.prognostic n.預兆
He regards the bad weather as a prognostic of failure.
他將壞天氣視為失敗的預兆。
4.intermission n. 中止, 中斷, 停頓
During the intermission, let's go out for some fresh air.
幕間休息時, 我們出去呼吸呼吸新鮮空氣吧。