I waved to attract the waiter's attention.
The city offers all kinds of tourist attraction.
The meal looks attractive in photographs.
The house was sold at auction.
They hailed the advances of audio book.
The school's audio-visual apparatus includes a new set of multi-media device, not to mention fifms,reoords，etc.
The auditorium admits 800 persons.
They hit upon another idea to augment their income.
Can we taste some authentic Chinese food there?
Children often begin to question their parent's authority at a very early age.
He authorized his secretary to sign letters in his absence.
How is your autobiography shaping up?
The players stopped outside the stadium to autograph.
The lights will come on automatically when it gets dark．
The universities' autonomy is enshrined in their charters.
You will receive the color you order, subject to availability．
This information is easily available to everyone at the local library.
Two skiers are still missing after yasterday's avalanche.
He wanted to avenge his father's murder．
They pioneered in early aviation．
The boys sat down to await the arrival of the guests.
Suddenly a loud noise awake us.
We were awakened by a loud knock at the door．
I have a rude awakening when I find myself on the verge of bankruptcy.
短语be aware of
I am well aware of the problems you face.
People's avareness of healthy eating has increased in recent years.
As a young boy, he was very in awe of his uncle．
We had an awful holiday.It rainerd every day.
The young soldier saluted awkwardly.
My colleague got the ax yesterday.
The earth rotates on its axis．
On this vivid planet， it appears colorful with azure blue seawater, lush green plants and many world famous buildings.
Please make it baggy style．
The judge set the bail at 2000 dollars.
n. 杓，保释，保证金，担保人，把手 vt. 往外舀水，