■ dedicate

dedicate to（“致力于”）后面接着的可以是个名词或者动名词，但要注意不能误将介词 to 用来当作动词不定式的 to。

• We're also dedicated to keeping (*to keep) costs low. (Newsweek, Sept. 12. 2005 广告)我们还致力于保持成本低廉。

• opportunity
• oppose
• oppose 与 be opposed to
• opposing
• optimistic
• -or
• or
• order
• original
• originate
• or 与 and
• other
• other than
• otherwise
• otherwise than
• out
• out-
• out East
• outlive
• outlive 与 survive
• out of
• outside
• outskirts
• out West
• over