Hints: 本期學(xué)習(xí)的字源：per-=through, thoroughly穿過，徹底 permit. n. ['p?m?t] v.[p?'m?t] 音頻讀了兩遍，只需聽寫一遍。 Taiwan 單詞不需要大寫，單詞與例句或不同詞條之間換行即可。 注解中詳細(xì)介紹了單詞的拆分與釋義，是學(xué)習(xí)字源分析的重中之重！一定記得聽寫后來看注解！
permit perennial Winter droughts in southern Taiwan are perennial problems. They occur year after year. perforate The arrow was tipped with an iron arrowhead to perforate its target. pernicious Lung cancer has proven a pernicious disease despite years of research. So far there is no way to cure it. perpendicular Because of the rotation of the earth and the circulation of air currents, raindrops seldom fall in strictly perpendicular lines. impervious This plastic raincoat is impervious to water.
Winter droughts in southern Taiwan are perennial problems. They occur year after year. 南臺(tái)灣冬季的干旱是老問題，每年都要發(fā)生。 The arrow was tipped with an iron arrowhead to perforate its target. 箭頭上鑲有鐵的箭簇，以便射穿目標(biāo)物。 Lung cancer has proven a pernicious disease despite years of research. So far there is no way to cure it. 盡管有多年的研究，肺癌仍然是致命的疾病，目前還無法醫(yī)治。 Because of the rotation of the earth and the circulation of air currents, raindrops seldom fall in strictly perpendicular lines. 由于地球自轉(zhuǎn)和氣流循環(huán)的關(guān)系，雨滴的路線很少是真正的垂直線。 This plastic raincoat is impervious to water. 這件塑膠雨衣不透水。