I heard the doorbell ring, but by the time I got to the door, nobody was there."
"我听到门铃响了，但当我走到门口时，已经没人了。"
The postman usually presses the doorbell twice if he has a package for us."
"邮递员如果有包裹给我们，通常会按两次门铃。"
Can you check if the doorbell is working? I haven't heard it ring all day."
"你能检查一下门铃是否正常工作吗？我一整天都没听到它响过。"
When the doorbell rang, my dog started barking excitedly."
"当门铃响起时，我的狗兴奋地叫了起来。"
She answered the doorbell in her pajamas, not expecting any visitors."
"她穿着睡衣去开门，没想到会有客人来访。"
The children were playing a game where they had to race to answer the doorbell."
"孩子们在玩一个比赛，看谁先跑去应答门铃。"
I installed a smart doorbell that allows me to see who's at the door even when I'm not home."
"我安装了一个智能门铃，即使我不在家也能看到是谁在门口。"
The doorbell suddenly stopped working, and we discovered the battery needed replacing."
"门铃突然不响了，我们发现电池需要更换。"
He heard the doorbell, but decided to ignore it as he was busy on an important call."
"他听到了门铃声，但由于正在处理重要的电话，所以他选择忽略它。"
In the old days, people used a knocker instead of a doorbell to announce their arrival."
"在过去，人们用门环而不是门铃来通知他们的到来。"
After a deliveryman rang his doorbell, Yang Lin opened a package and tried on his new sports shoes made by Warrior, a domestic brand, which he called a "new national product".
A pillow to monitor sleep quality, a toothbrush that can play mobile phone games and a doorbell capable of recognizing guests … Chinese technology giant Huawei Technologies Co debuted 15 Internet of Things products at an event in Shenzhen on Thursday.
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