泛读3Unit10讲述.doc

Unit 10 1.precipitation[ prIsip?te??n ]? n. the falling to earth of any form of water (rain or snow or hail or sleet or mist) 【术语】（雨、雪等的）降落；降水量 eg. There will be precipitation on northern hills tonight.今夜北面山上有降雨。 Phrase:probable precipitation?可降水量 amount of precipitation?降雨量 dust precipitation?除尘 chemical precipitation?化学沉淀 precipitate[pr??s?p??tet] v ①(cause to) happen suddenly or sooner; hasten(使)突然发生?. eg. A cool breeze caused a?precipitate?drop in the temperature. 冷风使温度急降. ② throw sb/sth suddenly into使突然陷入? eg. The cart overturned and?precipitated?us to the ditch.车子翻了，我们被摔进了沟里。 ③cause a substance to do this 沉淀,析出 eg. Iron and aluminum compounds?precipitate?as a voluminous sludge.铁和铝的化合物成为一种体积庞大的蓬松的游渣沉淀下来。 Phrase:precipitate as 凝结成 precipitate into突然使某人〔物〕进入某种状态 2.insulate[?ns?le?t] v. ①protect from heat, cold, or noise by surrounding with insulating material 使绝缘，使隔绝 eg. Rubber is used to?insulate?electric wires.?橡皮用来给电线绝缘。 ②place or set apart 隔离，使孤立 eg. Trying to?insulate?herself from the chaos surrounding her.?竭力把她自己与周围的混乱隔开。 Phrase:insulate against?防止…,与…隔绝 =separate from sth insulate from (v.+prep.)(使)与…隔绝,(使)免于…的危害 =separate from sth so as to protect 3.crust?[kr?st] n. ①a hard outer layer that covers something硬外表，外壳 eg. The?crust?on the snow was thick enough for us to walk on it.外层的雪已经冻硬，可以在上面行走。 ②面包皮 eg. 1.The?crust?of the bread is burnt.?这块面包的外皮烤焦了。? Phrase:dry crust?干面包皮 earth crust?地壳 rice crusts?锅巴 4.surge?[s??rd?] v.① rise and move, as in waves or billows .在浪涛中或如同波浪般前进 eg. The crowd?surged?past him. 人们从他身边涌过。 ②rise rapidly; 急剧上升 eg. The value of exports?surged?last year. 去年出口值激增。 n.①?a sudden or abrupt strong increase 突然发生，激增 eg.It failed to stimulate a?surge?of investment in industry.?这没有能刺激工业投资的激增。 ②a sudden forceful flow 向前或向上的运动 eg. The great?surge?had built up in the Gulf Stream.汹涌的巨浪在墨西哥湾流形成了。 Phrase:surge protector浪涌电压保护器 storm surge风暴大潮,风暴潮