7/3
expedition--a journey organized for a particular purpose
polish--bring to a highly developed, finished, or refined state
lacality--...
applaud--express approval of
discreet--marked by prudence or modesty and wise self-restraint
学到的所有单词进行复习需要
idle--not in action or at work
mature--fully considered and perfected
worms--Invertebrates with long bodies and no legs; Bilaterally symmetrical
spur--give heart or courage to
aspect--the expression on a person's face