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收到约定的信号后，他们离开了房间。
At an agreed signal they left the room.
《牛津词典》
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我喊“一、二、三，开始！”作为你开始的信号。
I'll say 'One, two, three, go!' as a signal for you to start.
《牛津词典》
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当时，雨下了起来，红旗被升起，发出停止的信号。
Then the rain came and the red flag went up to signal a halt.
《柯林斯英汉双解大词典》
-
在入口处，它们掠过觅食者，发出“出去”的信号。
At the entrance, they brush past reserve foragers, sending a "go out" signal.
youdao
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最后一个相当直白的信号是：你有六天的时间搬出去。
The final rather blunt sign simply read: you have six days to move out.
youdao
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响亮的喇叭声是国王驾到的信号。
A fanfare signalled the entrance of the king.
《牛津词典》
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饥饿感是体内发出的血糖浓度太低的信号。
Hunger is the body's signal that levels of blood sugar are too low.
《柯林斯英汉双解大词典》
-
警报响起十分钟后，危险解除的信号就响了。
The all clear was sounded about 10 minutes after the alert was given.
《柯林斯英汉双解大词典》
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他们已经决定要来的事实可被解释为一个积极的信号。
The fact that they had decided to come was interpreted as a positive sign.
《柯林斯英汉双解大词典》
-
毫无疑问，这是一个积极的信号。
Surely that's a positive sign.
youdao
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但毫无疑问，这是一个积极的信号。
But surely that's a positive sign.
youdao
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该船用无线电广播发出求救的信号。
The ship sent a message for help by radio.
youdao
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他不会挂出任何求和的信号，也不会注意到别的信号。
He would hang out no signals, he would take notice of none.
youdao
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感觉糟糕和拖延并不总是坏的信号。
Feeling bad and procrastinating isn't always a bad sign.
youdao
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但是这个转换是一个长期的信号。
But this crossover is a signal of long-term value.
youdao
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而健康的信号将带来良性循环。
The opposite happens with signals of health.
youdao
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泰国自身也没有令人鼓舞的信号。
Nor is it an encouraging sign for Thailand itself.
youdao
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那艘舰艇答复了旗舰的信号。
The ship replied to the flagship's signal.
youdao
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这无疑是一个不错的信号。
That must be a good sign.
youdao
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但是疲软的信号正在显现。
But signs of weakness are starting to show.
youdao
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收音机正发出一种奇怪的信号。
The radio is giving out a strange signal.
youdao
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手足冰冷是缺铁的信号吗？
Cold hands and feet: The sign of iron deficiency?
youdao
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没有任何看到尽头的信号。
There's no sign that we are anywhere near a bottom.
youdao
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这声音是他劳动的信号。
The sound is the sign of his work.
youdao
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用不必要的信号屏蔽信号设置。
Mask the signal set with the unwanted signals.
youdao
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同样的信号也会出现在脚趾甲上。
Many of the same signs occur in toenails.
youdao
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当然，其中不乏严重警告的信号。
Of course, there are some important caveats.
youdao
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变革的信号已经出现，但是还很微弱。
There are some signs of change, but they are small.
youdao
-
温暖是吃饱的信号。
Heat is a satiety signal.
youdao
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温暖是吃饱的信号。
Heat is a satiety signal.
youdao