a natural force that influences or causes movement吸引力 [反]push pump [pQmp] n. a machine, usu, with a tube and a handle, for forcing liquids, air, or gas into or out of something 泵 v. to move by using a pump.用泵抽 punish [5pQnIF] v. to cause to suffer for (a misdeed, fault, or crime)惩罚; 处罚 punishment [p5QnIFm[nt] n. the act of punishing or condition of being punished惩罚 pupil [5pjU:pl] n. a person, esp. a child, who is being taught学生 pure [pjU[] adj. 1.clean; free from dirt, dust, bacteria, or any harmful matter纯净的; 干净的; 无有害物质的 【查看更多】
