work的名词：

worker [w:k] n.工人；劳动者；职蚁

working [w:ki]

n.工作；活动；制作；操纵

例句：

They have been working on the perfection of the new model.

他们一直在努力完善新型号。

She is an excellent worker and I commend her to you without reservation.

她工作出色，我毫无保留地把她推荐给你。