desirable：(物)称心的，期望得到的，值得向往的；可取的

词根词缀：desire愿望 + -able形容词词尾

• opalescent
• opaque
• op art
• op.cit.
• op-ed
• open
• opencast
• open-ended
• opener
• opening
• openness
• open sesame
• open slather
• opera
• operability
• operable
• operand
• operate
• operatic
• operation
• operational
• operative
• operatize
• operator
• operetta