尖兵的英文：
pioneer; point

参考例句：

A team of Rangers were walking point at the outset of the operation.
一队突击队员在军行之初担任尖兵

For the man at the point of the column every step demanded an inordinate effort of will
队伍头上的尖兵更不好当，他们每迈一步都需要拿出非凡的意志的力量。

pioneer是什么意思：
n. 拓荒者；开拓者；先驱
v. 首创；当先驱，成为开拓者

They were the pioneers of the American West.
他们是美国西部的开拓者。

The company pioneered the use of the silicon chip.
这家公司首先使用硅片。

Are the Young Pioneers having music class?
那些少先队员在上音乐课吗？

The young pioneers all bear red scarves.
少先队员们都佩戴着红领巾。

This company pioneered on-job training.
这一公司首创在职培训。

point是什么意思：
n. 点；标点；要点；尖端；得分
v. 削尖；指向；加标点于；表明

That is not the point in question.
那不是要考虑的要点。

orientation point
方位点

A score made on a try for a point or points after a touchdown.
触地得分在触地后再次发球所得的一分或几分

He explained the problem clearly by analyzing it point by point.
他条分缕析地把问题讲清楚。

concentrate troops at a strategic point
集中兵力于战略重点