Hints:

本期学习的字源：stig, stim, stinct, sting=mark, prick做记号，刺

Petrarchan

Shakespearean

dodo

Dr. David Ho


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！
sting stigma His prison record has left a permanent stigma on his reputation. astigmatic He wears glasses because his right eye is seriously astigmatic. stimulate Alcohol stimulates blood circulation. distinct There are over 400 distinct dialects spoken in China. distinction On the exam, the students were asked to make a distinction between Petrarchan sonnets and Shakespearean sonnets. distinctive Zebras are easily recognizable because of their distinctive stripes. extinct The dodo, an extinct bird, stood much higher than a man. instinct Pigeons have long been used as couriers because of their homing instinct. indistinct At dusk, I couldn't make out the indistinct shapes in the distance. distinguish In most cases, even a child can distinguish between right and wrong. distinguished Dr. David Ho is a distinguished AIDS researcher. extinguish Chemical foams can extinguish gasoline fires more effectively than water.
His prison record has left a permanent stigma on his reputation. 他的坐牢前科造成他名誉上永久的污点。 He wears glasses because his right eye is seriously astigmatic. 他因为右眼严重散光而戴眼镜。 Alcohol stimulates blood circulation. 酒精刺激血液循环。 There are over 400 distinct dialects spoken in China. 中国有四百多种不同的方言。 On the exam, the students were asked to make a distinction between Petrarchan sonnets and Shakespearean sonnets. 考试时，学生得说明佩脱拉克式十四行诗和莎士比亚十四行诗有何区别。 Zebras are easily recognizable because of their distinctive stripes. 斑马很容易辨认，因为他们有独特的条纹。 The dodo, an extinct bird, stood much higher than a man. 渡渡鸟是绝种的鸟类，站起来比人高得多。 Pigeons have long been used as couriers because of their homing instinct. 鸽子长久以来一直被当做信差，因为它们具有归航的本能。 At dusk, I couldn’t make out the indistinct shapes in the distance. 黄昏时刻，我没有办法看出远处几个模糊的影子是什么。 In most cases, even a child can distinguish between right and wrong. 大多数情况下，连小孩也能区分对错。 Dr. David Ho is a distinguished AIDS researcher. 何大一博士是位杰出的艾滋病研究员。 Chemical foams can extinguish gasoline fires more effectively than water. 化学泡沫比水更能有效地扑灭汽油失火。