circulate vt.使循环 vi.循环； v. 贬低，贬值；extricate v. 拯救，救出；flagellate v. 鞭打，鞭笞；hate vt.恨，憎恨；不喜欢；impersonate v. 模仿，扮演；mutilate v. 残害，切断；percolate v. 过滤出，渗透