Problems were solved on an ad hoc basis.
The actress often forgot her lines but was very good at ad libbing.
I had forgotten to bring my notes and had to speak ad lib.
I don't want to go on working here ad infinitum.
Having been together for more than60 years, Eric and Betty were regarded as the Darby ad Joan of he village.
That's an interesting ad.
Fished all day without a bite; an ad that got a few bites but no final sales.
I got four replies to my ad about the bicycle for sale.
a public promotion of some product or service
in the Christian era; used before dates after the supposed year Christ was born
Buddhism was introduced into China about 67 AD.
He at last left Mecca on a night in AD 1728.
Charlemagne was crowned Emperor on Christmas Day 800 AD.
Quills were the chief writing implement from the 6th century AD until the advent of steel pens in the mid 19th century.
What will world population be by 2050 AD/AD 2050?
( adenoidal degeneration <医>增殖腺退变
(after date) <商>出票日后
(application data) 应用数据
(application to delivery for export) 出口交货申请
(assembly district) (美国某些州的)选区
(autograph document) 亲笔签名的文件
(automatic depositor) 自动现金存入机
(average deviation) 平均偏差