vaporware：雾件（已做广告但上未上市的计算机程序或产品）

比喻用法，计算机术语。比较wetware.

• urethritis
• urge
• urgency
• urgent
• urinal
• urinary
• urinate
• urine
• urn
• urology
• majestic
• majesty
• major
• major-domo
• majorette
• majority
• make
• make-believe
• makeless
• makeover
• maker
• makeshift
• make-up
• makeweight
• make-work