1.plantation n．栽植(a usually large group of plants and especially trees under cultivation)

詞根記憶：來(lái)自plant(v.種植)

例：Newly freed workers enacted lien laws to hasten the downfall of the plantation economy.

同根詞：plantlet(n．小植物，苗木)

2.plateau n．（上升后的）平臺(tái)期(a level of attainment or achievement);v.達(dá)到平臺(tái)期(to reach a level period, or condition of stability or maximum attainment)

詞根記憶：plat(平)+eau--平臺(tái)期

例：When my sales hit a plateau ,my boss gave me a pep talk(鼓舞士氣的講話)．//Her fever plateaued at 103 degrees, and then began to fall.

3.platform n.平臺(tái)(a usually raised horizontal flat surface operating system)

詞根記憶：plat(平的)+form(外形)--平臺(tái)

例：operating platform操作平臺(tái)

4.plausible a．似是而非的，貌似有理的(superficially fair reasonable, or valuable but often specious)

聯(lián)想記憶：plaus(鼓掌)+ible--鼓掌的--看似有理，所以鼓掌--貌似有理的

例：Of the two plausible explanations for the decline in the population of sea otters, disease is the more likely one.

同根詞：plaudit(n.稱贊)；applause(n.鼓掌)

5.plead v.作為辯護(hù)或理由提出(to offer as a plea usually in defence)

例：The defendant pled no contest to criminal charges.

6.pledge n./v.保證；許諾(to promise the performance of)

例：A $ 100 million investment in the search for extraterrestrial intelligence was pledged by the government.

7.plot n.小塊土地（a small land）；計(jì)劃(plan)；情節(jié)(story)

例：experimental plot實(shí)驗(yàn)田

8.plow/plough n．犁(an implement used to cut, lift, and turn over soil especially in preparing a seedbed)；v.費(fèi)力穿過(guò)(to move through)

聯(lián)想記憶：pl+ough（看作tough堅(jiān)硬的）--在堅(jiān)硬的土地上犁--犁；費(fèi)力穿過(guò)

例：The ship plowed through the waves.

9.plume n.（一）股，（一）團(tuán)(塵、火、水等)(a cloud of sth. that rises and cures upwards in the air)；羽毛(a large feather)；（從火出或煙道噴出的）巖漿柱 (any of several columns of molten rock rising from the earth's lower mantle)

例：The surface mark of an established plume is a hot spot-an isolated region of volcanoes and uplifted terrain located far from the edge of a surface plate.