【字源大挪移】字首_状态、现象_per-

英语自学网

Hints:
本期学习的字源：per-=through, thoroughly穿过，彻底
permit. n. ['pəmɪt] v.[pə'mɪt] 音频读了两遍，只需听写一遍。
Taiwan
单词不需要大写，单词与例句或不同词条之间换行即可。
注解中详细介绍了单词的拆分与释义，是学习字源分析的重中之重！一定记得听写后来看注解！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.
南台湾冬季的干旱是老问题，每年都要发生。
The arrow was tipped with an iron arrowhead to perforate its target.
箭头上镶有铁的箭簇，以便射穿目标物。
Lung cancer has proven a pernicious disease despite years of research. So far there is no way to cure it.
尽管有多年的研究，肺癌仍然是致命的疾病，目前还无法医治。
Because of the rotation of the earth and the circulation of air currents, raindrops seldom fall in strictly perpendicular lines.
由于地球自转和气流循环的关系，雨滴的路线很少是真正的垂直线。
This plastic raincoat is impervious to water.
这件塑胶雨衣不透水。