用法:
1 Advertising Standards Authority 广告标准局.

用法:
2 (also ASA/BS) (of a scale of film speeds) American Standards Association (/British Standard) （指底片度数）美国标准（[英国标准]）:
ASA/BS 100 美国标准[英国标准]100度. Cf 参看 BS, BSI, DIN, ISO.

• preference shares, preference stock (US preferred shares/stock)
• preferential
• preferentially
• preferment
• prefigure
• prefix 1
• pregnancy
• pregnant
• pre-heat
• prehensile
• prehistoric
• prehistory
• prejudge
• prejudgement
• prejudice 1
• prejudiced
• prejudicial
• prelacy
• prelate
• prelim
• preliminary 1
• prelude
• premarital
• premature
• premeditate