n.推進(jìn)者；推動(dòng)器；非法銷售者；推桿

He acted as if he were an old tool pusher. 他的舉動(dòng)好象是個(gè)老技師。

The pusher heaters are widely used in the wire and rod mills because of their less investment and improved heating quality. 由于推鋼式加熱爐的投資少而且加熱質(zhì)量較高，因此在型鋼和棒材項(xiàng)目中應(yīng)用比較多。

The neighbourhood pusher got Joe a fix. 鄰里的不法商販給喬打了一針毒品。

The notorious drug- pusher has been contriving an escape from the prison. 這個(gè)臭名昭著的大毒梟一 直都在圖謀越獄。