1.median a．中間的(relating to, located in．or extending toward the middle);n.（三角形）中線(a line that joins a vertex of a triangle to the midpoint of the opposite side);中數(shù)(把觀測值按大小次序捧剜后，捧在中間位置的數(shù)值)(the middle value in a distribution, above and below which lie an equal number of values)

詞根記憶：medi(中間)+an--中間的--中數(shù)

2.mediate v.調(diào)解(to reconcile differences)；作為媒介引起(to effect by action as an intermediary); a.居中的(occupying a middle position)

詞根記憶：medi(中間)+ate --在中間起作用--作為媒介引起；調(diào)解

注意：meditate(v.沉思)

例：One immunological（免疫的）reaction is mediated through the lymphocytes(淋巴細胞)．

派生詞：mediation(n.調(diào)停)；mediator(n.調(diào)解人；介質(zhì))

3.medication n.藥物療法（the act or process of treating with medicine）；藥物，藥劑(medicament)

詞根記憶：medic(醫(yī)療，治療)+ation--藥物

例：Physicians have the final say as to whether to prescribe a medication for a patient.

4.medieval a．中世紀的，中古的(relating or belonging to the Middle Ages)

詞根記憶：medi(中間)+ev(時代)+al--中世紀的，中古的

例：In medieval society, breaking one's word had serious consequences.

5.medium a．中等的(intermediate in quantity, quality position, size, or degree);n．[pl. media]媒體(an agency by which something is accomplished, conveyed, or transferred)

詞根記憶：medi(中間)+um --中間的--中等的

例：small and medium-sized businesses，，The news medium focuses people's attention most strongly on local crimes.

6.megacity n.大城市(metropolis)

詞根記憶：mega(巨大的)+city(城市)--大城市

例：The population of megacity , a sprawling metropolis in Remsland, has grown at a fairly steady rate for over a century.

7.megalithic a．巨石制的(being made of megalith)

詞根記憶：來自megalith(n.巨石)

例：The megalithic monument is nearly 2,000 years old.

8.melancholy a．憂郁的(sad, unhappy)

聯(lián)想記憶：melan(黑色)+chol( =bile膽汁)+y--膽汁發(fā)黑--憂郁的

例：The twentieth century is regarded as an age of fretfulness and melancholy skepticism.

9.meld v.（使）混合,（使）合并(to blend, mix)

例：Often billed as "The Genius", American pianist, singer, composer, and bandleader Ray Charles is credited with the early development of soul music , a genre based on a melding of gospel, rhythm and blues, and jazz.