V19. virtue-V20. vocabulary

virtue,  virtual

构词：vir （very 确定）＋tue （ true 真实）

确定真实 n. 美德, 优点, 好处

相关：very, verify, verdict, virgin

搭配：see / there is no virtue in discussing it further

without virtue, live a life of virtue, have the virtue of simplicity

virtual adj. 实质上的; 虚拟的

a virtual standstill / monopoly / stranger; 

in a virtual world, virtual reality, virtual friend / library

同义：goodness, merit, honor, honesty, morality, integrity, dignity, nobility, excellence, advantage, benefit

反义：vice, evil, sin, drawback, shortcoming, weak point

考点：积极正面方向, 同义替换

vocabulary

构词：voc （声音）＋abul（= able 能...的）＋-ary（集合）

能发音的（词）的集合 n. 词汇; 词表; 词汇量

相关：voice, advocate, equivocal, evoke, invoke, provoke

搭配：wide / limited / active / passive / entire / English vocabulary,  vocabulary of advertising / natural science;  

learn / enlarge / increase vocabulary, vocabulary expand