1.a herd of 一群
A herd of about 100 African buffalo meanders quietly along a riverbank.
一群非洲水牛,大約100只,安詳地順著河岸漫步。
2.at present 目前
I don't need the dictionary at present.
我現在不需要這本字典。
3.out of the ordinary 不平常的
Instead of tube time, try something new and out of the ordinary with the people in your life.
除了把時間用來看電視,試著去和朋友們做一些新的不同平常的事情。
4.Over the course of 在...期間
I’ve done that over the course of four years in high school.
我已經在高中的時候重復這一過程長達四年的時間了。