A red lamp is used as a danger signal.
红灯用作危险信号.
They sent out a danger signal.
他们发出了危险信号.
Small funds are a danger signal.
规模小,可能是有问题的征兆.
Or, if the chemical signal danger, they will flee?
或者, 化学信号是危险, 它们就会逃跑 吗 ?
Why Red Lights always Be a Signal of Danger?
为什么危险信号用红灯?
a danger/warning/distress etc. signal
危险、警告、求救等信号
A red light is usually a signal of danger.
红灯通常是危险的信号。
A red light is usually a signal for / of danger.
红灯通常是危险的信号.
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