bulldozer

中文： 推土机

1. A tractor with caterpillar tracks and an attached blade for pushing earth and building debris for coarse preliminary surface grading, demolishing building structures, etc.
2. One who bulldozes.
3. A member of a self-identified group of white US Southerners who colluded to influence outcomes of post-Reconstruction elections by intimidating, coercing and bullying black voters and legislators, including burning down houses and churches, flogging and murdering opponents.
4. A bully; an overbearing individual.

复数 bulldozers