您要查找的是不是：
- The alarm emits a signal. 报警器输出信号。
- When the human user sees an interesting through retina, the brain emits a signal detectable by an electroencephalogram, or EEG cap. 当使用者看到感兴趣的物体时，大脑会发送特殊的信号，能够被脑电图机检测到。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- I didn't wake up until I heard the alarm clock. 直到听到闹钟的铃声我才醒来。
- Developed by a Japanese electronics company,the intelligent glass is fitted with a radio-frequency coil in its base and emits a signal to a receiver set in the table when it's empty,New Scientist magazine reported Thursday. 据周四的《新科学家》杂志报道，这种智能啤酒杯是由一家日本电子公司研制的。这种酒杯是将一枚可以发射无线电频率的线圈置于杯子底部，这样当酒杯空了的时候线圈就会向吧台的接收仪器发出信号。
- The alarm went out for a John Doe who stole the diamonds from the store. 警察已发出警报，搜捕一个从店铺里盗走了钻石的家伙。
- Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal. （实际上，槽有可能拥有比它接收的信号更短的签名，因为槽能够忽略具体的函数形参。）
- The smoke triggered off the alarm. 这些烟把警报器触响了。
- The trees emit a fragrance of their own. 各种树木会发散各自独有的气味。
- I gave the alarm as soon as I saw the smoke. 我一看见冒烟，就发出了警报。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- The jar of the alarm woke me up. 闹钟的刺耳铃声把我吵醒了。
- The alarm frightened the burglar away. 警报铃声吓走了窃贼。
- In case of fire, ring the alarm bell. 如遇失火，请按警铃。
- The cheese was emitting a strong smell. 干酪散发出强烈的气味。
- The thief ran like anything when he heard the alarm. 那贼听到警铃声就飞快逃走了。
- The transponder automatically sends out a signal. 发射机应答器便会自动发出信号。
- The dog's barking raised the alarm. 犬吠声引起了人们的注意。
- The flagship flashed a signal to the fleet . 旗舰向舰队发出闪光信号。
- The flagship flashed a signal to the fleet. 旗舰向舰队发出闪光信号。
