重点讲解：
1. hold up 维持；保持良好；
Children's wear is one area that is holding up well in the recession.
童装是经济衰退中仍然保持良好发展的一个领域cCGcUf6_&;hAd。
2. subject sb./sth. to sth. 使经受；使遭受；
The guardian is to be ordered to subject him to discipline.
责令他的监护人加以管教M8C%0YF+Wux~4)f8d。
3. be composed of 组成；构成；
A methane molecule is composed of one carbon atom attached to four hydrogens.
甲烷分子由1个碳原子与4个氢原子构成KUDk[JcXHudU5。
4. be content with 满足的；知足的；
He professed to be content with the arrangement.
他对这个安排表示满意!GL]l8^;BiXE8_Mlkc。