staff 作为名词时,都是可数的!
n.
1.(全体)职员,(全体)工作人员[C][G]
The teaching staff of this college is/are excellent.
这所大学的教师都是出类拔萃的.
He's got some experts on the staff.
他的职员中有一些专家.
2.幕僚;参谋人员;参谋机构[C][G]
I have a staff of 15.
我有十五名幕僚.
3.拐杖;棍;棒[C]
The old man walked with a wooden staff.
那老汉拄着木拐杖走路.
4.职杖;权杖;牧杖[C]
5.旗杆;标杆;标尺[C]
The flag was flown at half-staff.
那旗帜降了半旗.
6.(复数为staves)【音】五线谱[C]
7.支柱,支撑[C]
The boy was the staff and pride of their age.
这男孩是他们老年时的依靠和骄傲.
