划出一系列

paraffin series───石蜡系；石蜡族烃

harmonic series───[数]调和级数；[物]谐波系

pay off a score───还清比分

mark of the beasts───野兽的印记

Taylor series───泰勒系列，泰勒级数

Taylor's series───泰勒级数；泰勒数列

alkane series───烷烃系列

The United States Space Agency NASA has begun a series of events to mark the 40th anniversary of the lift-off of Apollo 11, the 1969 mission that put the first humans on the moon.───美国太空署NASA策划了一系列活动来纪念阿波罗11号登陆月球40周年纪念日。1969年的太空任务首次将人类送上月球。

Mark was palmed off with a series of excuses.───马克被一连串借口打发了。