The design of a single home doorbell s indoors extension with video and interspeak based on the single chip microcomputer of AT89C2051;
基于AT89C2051的單戶可視對講門鈴室內分機的設計
At present,a house and most gates of the people have doorbells,when someone rings a doorbell,the host just decides whether to open the door after often observing whether it is a frequent visitor or stranger or not,it is not very convenient.
目前,民戶住宅多數門口都設有門鈴,有人按門鈴時,主人往往要觀察是熟客還是陌生人后才決定是否應該開門,不是很方便。
He rings the bell, but no one answer.
他按門鈴,但是沒人開門。
The bell twinkles when you open the door.
一開門，門鈴就叮當作響。
Feverish and excited, I rang at the door.
我興奮地一個勁拉門鈴。
The door bell tinkled.
門鈴叮玲玲地響了起來。
The Postman Only Rings Once
郵遞員只按一次門鈴
"The name on the bell is Vance.
"門鈴上的姓氏是萬斯。
A bell, chime, or buzzer outside a door that is rung to announce the presence of a visitor or caller.
門鈴門外響則表示有客來訪的鈴、鐘或蜂鳴器
I rang and no one came to the door.
我撳撳門鈴，沒有人來開門。
The front door bell jangled viciously.
前門的門鈴激烈地發出刺耳的聲響。
The postman rang the bell because he had a parcel/package to deliver.
郵遞員按門鈴叫門投遞包裹.
The bell of the entrance gate was heard to ring loudly.
只聽大門上的門鈴嘹亮地響起來。
He rang the bell but no one came to the door.
他按了門鈴，可是沒有人來開門。
I thought that was Nat Baker who rang the front doorbell.
我還以為是Nat Baker 按大門門鈴呢。
The doorbell is ringing. I’ll call you back．
有人在按門鈴?；仡^我再給你打。
twisted their heads around at the sound of the doorBell.
聽到門鈴聲，他們的頭轉了過去
A short, timid ring at the doorbell summoned her.
一下短促的、膽怯的門鈴聲驚起了她。
So when the doorbell rang on the morning of my birthday,
所以我生日那天早上門鈴響的時候，
I tried to wake up my wife by ringing the door-bell.
我按了門鈴，想叫醒我的妻子。