effort力气，精力，努力
affect影响，改变，感动
effect结果，效果，影响
worker
ampersand &号
asterrisk *号
deal
difficulty
lose
magic
proprientary专卖的，所有权
property
vowel元音
bowel大肠
traditional
synchronization
fragment碎片
primary
habit习惯
comprise由...组成，包含
landler兰德勒舞曲
absence没有，缺乏
seldom几乎不
hardly
rarely
scarely
barely
few
little
unfortunately
expunge抹去，删去
invent发明，创造
invite邀请
eclipse丧失，黯然失色
ellipse椭圆
undone
unshift不位移
shift移动
greatly
cost
degrade贬低，侮辱，降级，退化
upgrade
suggestion
real
experimentation
solely单独的，只，仅
lonely
announce
squeeze挤出，削减，挤压
negate
father
reinstate使恢复原状
instate任命
tutorial教程，辅导材料
tutor家教
tourist游客
nicety精确，准确，细节
exponent指数，拥护者
opponent反对者
