例句與造句

1. Around the middle of the 1st century BC Roman brick makers began using unique identifying stamps on their bricks.
2. That is a 100-ounce bar, or three one-kilogram bars, each with a serial number and a refiner's identifying stamp approved by the exchange.
3. Each came with an identifying stamp, according to a letter from Arendt, so " present and future readers may be reminded of those who once cherished them before they became victims of the great Jewish catastrophe ."
4. It's difficult to find identifying stamps in a sentence. 用identifying stamps造句挺難的