191. magnify v. 放大，扩大 ~ the photo
192. manifest v. 显示，表明The illness ~s itself with a high fever.
193. marginal a. 微小的
194. masculine a. 男性的
195. mediate v. 调解 He ~d in a salary dispute between the union and the management.
196. merge a. 合并
197. migrate v. 迁徙; 移居 Birds migrate with seasons
198. mingle v 混合
199. mobilize v. 动员