M maintenance n. 保养 massive a. 大量的; 大而重的 mask v. 掩饰 mature a. 成熟的 moderate a. 适度的 ~ physical exercises motivate v. .激励 magnify v. 放大,扩大 ~ the photo manifest v. 显示,表明The illness ~s itself with a high fever. marginal a. 微小的 masculine a. 男性的 mediate v. 调解 He ~d in a salary dispute between the union and the management. merge a. 合并 migrate v. 迁徙; 移居 Birds migrate with seasons mingle v 混合 mobilize v. 动员 |