11. The bodies playing major professional sports have changed dramatically over the years, and managers have been more than willing to adjust team uniforms to fit the growing numbers of bigger, longer frames.

【分析】并列句。and连接两个并列分句。前一分句中，现在分词结构playing... sports作the bodies的定语;后一分句中的不定式结构to fit...作adjust team uniforms 的目的状语。

【译文】这些年来，参加主要职业球赛的运动员的身材发生了显著变化，俱乐部的经理们更乐意修改队服来满足日益增多的更高、更壮的运动员的需要。

【点拨】body一词意思较多，可意为“身体”、“主体”，“主要部分”、“团体”或“尸体”。本句中该词译为其常用义”身体“。

12.Though typically about two inches taller now than 140 years ago, today's people— especially those born to families who have lived in the U. S. for many generations—apparently reached their limit in the early 1960s.

【分析】复合句。主句主干为today’s people reached their limit。句首的though引导让步状语；破折号之间的部分为插入语，补充说明today’s people，其中包含 who引导的定语从句修饰families。

【译文】尽管总的来说，美国人的身高比140年前离出大约二英寸，但他们——特别是那些出生于在美国生活了几代的家庭的人——其身高显然在20世纪60年代初期已达到极限，不可能再增长。