■ close

close to 当中可以插入名词。

• The moon is the closest astronomical object to the Earth.月球是最靠近地球的天文物体。

• or 与 and
• other
• other than
• otherwise
• otherwise than
• out
• out-
• out East
• outlive
• outlive 与 survive
• out of
• outside
• outskirts
• out West
• over
• over-
• overemphasize
• overestimate
• overstate
• overwhelming majority
• own
• ox
• package
• pain
• painful