Special signs mark the glacier's retreat, showing where the ice once stood.

特殊的迹象表明冰川消退，显示了冰川曾经存在的位置。

Each receives a special sign identifying the inventor, invention and patent number.

每个人都会收到一个特殊的标志，用于识别发明人、发明和专利号。

The council have provided special signs but there's always a volunteer there to explain what's happening to any motorists.

市议会提供了特殊的指示牌，但总会有一名志愿者向司机解释发生了什么事。

Some buildings have special signs or things that they put on the building so you can find them easily when you're driving down the street.

有些建筑物有特殊标志或放置在建筑物上的东西，因此您在街上行驶时可以轻松找到它们。