When the early warning signal sounded, we took immediate action.

预警信号响起时，我们立刻采取行动。

A loud low warning signal that can be heard by fog-bound ships.

大雾笼罩的船只可以听到的响亮低沉的警报。

Marking tape can be used as a warning signal on the groud or pillar etc.

斜纹印刷胶带可用地面、立柱等警示标志.

Second, the first crack is a true warning signal, then I know the ice is thin.

二是冰层第一次裂开的声音就是真正的警告信号，这样我就知道冰层很薄。

Fine for old wines with sediment, but in younger wines cloudiness can be a warning signal.

对于带沉淀物的老龄葡萄酒而言无伤大雅, 但在年轻的葡萄酒当中阴暗朦胧可能是一个警告信息.

Their silent suffering must serve as a warning signal of the greater suffering that lies in store for the rest of us if we fail to tackle climate change together.

如果我们不能共同应对气候变化，那么，他们默默忍受的痛苦必定成为一个警告，暗示更大的痛苦正等待着我们其他人。

In addition, hourly analysis of current intensity of tropical cyclone will be made available in the bulletin for current weather whenever local tropical cyclone warning signal is in force.

除此以外，当本地热带气旋警告信号生效时，热带气旋强度分析资料会每小时附加在天气报告内。