1.membrane n.薄膜，細胞膜(cell membrane)

例：In pterosaurs(翼龍),a greatly elongated fourth finger of each forelimb supported a winglike membrane.

2.memoir n.回憶錄(a written remembrance)

詞根記憶：memo(記憶)+ir--回憶錄

例：The former president wrote his memoirs shortly before he died.

3.memorandum n.備忘錄(a written reminder)；便箋(an informal written note of a transaction or proposed instrument)

詞根記憶：來自memo(n．備忘錄)

例：The following appeared as part of a company memorandum.

同根詞：memorial(n.紀念碑)；commemorate(v.紀念)

4.merchandise v.買賣，銷售(to sell sth. using advertising, etc.);經商；n.商品(commodities)

詞根記憶：來自merchant(n.商人)

例：Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five.

派生詞：merchandiser(n.商人)

同根詞：mercantile(n.商品：a.商業的)

5.merchant n.商人(businessman)

詞根記憶：merc(貿易，商業)+h+ant--商人

例：A merchant discounted the sale price of a coat and the sale price of a sweater.

同根詞：merchandise(n.商品，貨物)

6.merge v.合并(to become combined into one)；使合并(to cause to combine, unite，or coalesce)；吞沒(to plunge or engulf in sth.)

詞根記憶：merg(沆沒)+e --吞沒

例：The two oil companies agreed to merge their refining and marketing operations in the Midwest and the West, forming a new company that would control nearly fifteen percent of the nation's gasoline sales.

派生詞：mergence(n.合并)

7.merger n.（企業等的）合并(absorption by a corporation of one or more others);并購(the act or process of merging)

詞根記憶：來自merge(v.合并；融合)

例：Not one of the potential investors is expected to make an offer to buy First Interstate Bank until a merger agreement is signed that includes a provision for penalties if the deal were not to be concluded.

8.metabolic a．新陳代謝的(of, relating to, or resulting from metabolism)

詞根記憶：來自metaboly (n.新陳代謝)

例：Plants with the highest metabolic efficiency in a given habitat tend to exclude other plants.

同根詞：metabolism（n．新陳代謝，代謝作用）；metabolize [v.（使）產生代謝變化]

9.metabolism n.新陳代謝

詞根記憶：來自metabolize(v.使新陳代謝)

例：Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal's than a cold-blooded reptile's.