友课教育英语晨读2020-03-05

 词根spect = see 

 1.audience ['ɔːdɪəns]
 n. 听众，观众，读者（受众） 

 2.spectator [spek'teɪtə]
 n. （尤指体育赛事的）观众 

 3.doubtful ['daʊtf(ə)l]
 adj. 不确定的；感到怀疑的 
 It was doubtful whether the patient would survive the operation. 
 病人能否挺过这次手术还无法确定。 

 4.dubious ['djuːbɪəs]
 adj. 可疑的，无把握的
 I’m dubious about his promises to change his ways. 
 我对他改变他的生活方式的承诺表示怀疑。 

 5.skeptical ['skeptɪkəl]
 adj. 怀疑的 
 Many experts remain skeptical of/about his claims.
 许多专家对他的主张仍持怀疑态度。 

 6.sight [saɪt]
 n. 视力，景象 vision，view
 The old woman has lost her sight. 
 那位老妇人失明了。
 The flowers at the annual flower show were a beautiful sight. 
 年度花卉展上的鲜花是一道美丽的景象。 

 7.sightsee ['saɪtsi:]
 v. 观光 
 go sightseeing 去观光 
 sightseer  观光客 

 8.insight ['ɪnsaɪt]
 n. 洞察力 
 It was an interesting book, full of fascinating insights into human relationships. 
 这是一本有趣的书，充满了对人类关系的独到见解。
 insightful adj. 有深刻见解的，富有洞察力的 

 9.echo ['ekəʊ]
 n. 回声 
 vi. 发出回声，作出回应
 echo location 回声定位（海豚，蝙蝠等动物） 

 10.vocal ['vəʊk(ə)l]
 adj. 有声的
 vocal music 声乐 
 vocal cord 声带