■ under-

这是一个很有用的前缀，用了它，往往可以行文更为简短。

• The FDA has long been underfunded and understaffed. (US News & World Report, Sept. 15-22, 2008, p.27)药物食品管理局长期以来一直经费短缺，人手不足。

• close
• close
• close
• close 与 open
• close 与 shut
• cloth
• cloth, clothes, clothing, garment
• clothes
• clothing
• coffee
• coffee 与 café
• collapse
• collect
• college
• collide
• colombia
• columbia
• columbia 与 colombia
• come
• come
• come and
• come and get it
• come and inf.
• come to
• come to inf.