1.
Visually Dialogic Doorring Design Based on AT89c51 Single Chip Microcomputer
基于AT89C51单片机的可视对讲门铃设计
2.
closed-circuit television door-telephone
闭路电视门口对讲机
3.
He rings the bell, but no one answer.
他按门铃,但是没人开门。
4.
The bell twinkles when you open the door.
一开门，门铃就叮当作响。
5.
This company also produces landing-answer doors, remote garage doors, automatic garage doors as well as the silencing scroll doors and so on.
本公司还生产楼宇对讲门、控车库门、行车库门以及消音卷闸门等。
6.
Design of GSM-Based Building Talk-Back Access Control System
基于GSM的楼宇对讲门禁系统的设计
7.
Feverish and excited, I rang at the door.
我兴奋地一个劲拉门铃。
8.
The door bell tinkled.
门铃叮玲玲地响了起来。
9.
The Postman Only Rings Once
邮递员只按一次门铃
10.
He had scarcely (Scarcely had he ) rung the bell when the door flew open.
他刚摇铃门就开了。
11.
She went to the door and rang the bell.
她走到门前按了铃。
12.
She was about to walk out of the door when the telephone rang.
电话铃响时她正要出门。
13.
"The name on the bell is Vance.
"门铃上的姓氏是万斯。
14.
A bell, chime, or buzzer outside a door that is rung to announce the presence of a visitor or caller.
门铃门外响则表示有客来访的铃、钟或蜂鸣器
15.
Harmonics distortion problems are not new to utilities.
谐波畸变对电力部门来讲并不是新的问题
16.
Test the students before you begin the course.
在讲这门课以前要对学生进行一次考试。
17.
Now when he had left speaking, he said unto Simon, Launch out into the deep, and let down your nets for a draught.
讲完了、对西门说、把船开到水深之处、下网打鱼。
18.
Design of a visual inter-conversation door-entry control system based on ST7537HS1
基于ST7537HS1的多功能可视对讲门禁系统的设计