重点讲解：
1. pack a punch
产生巨大影响；震撼；
eg. W. Somerset Maugham's novel still packs an emotional punch.
威廉·萨默塞特·毛姆的小说仍具有强烈的情感冲击力。
eg. But that doesn't mean the smaller schools and their libraries don't pack a punch: Many schools operate in consortia with other colleges and networks to give students a nice plate of resources.
但这并不表明那些小学校和它们的图书馆就没有影响力：许多学校会与其它学校或机构联合以便为学生提供丰富的资源。
2. wipe out
摧毁；毁灭；使灭绝；
eg. One failure after another wiped out his ambition for fame.
一次又一次的失败已彻底摧毁了他想出名的野心。
eg. Most diseases could be wiped out.
大多数疾病是可以被消灭的。
3. in recognition of
获官方认可；正式承认；
eg. Brazil normalised its diplomatic relations with South Africa in recognition of the steps taken to end apartheid.
巴西恢复了与南非的外交关系，以示对其采取措施结束种族隔离的正式认可。
eg. He had just received a doctorate in recognition of his contributions to seismology.
他刚被授予了博士头衔以表彰他对地震学作出的贡献。
