1610s, "one who points out," agent noun in Latin form from demonstrate. From 1680s as "one who uses exhibits as a method of teaching;" 1870 as "one who participates in public demonstrations."
双语例句
1. Marshals tried to wrestle the demonstrator out of the room.
执法人员试图将这名示威者从屋子里拖出去。
来自柯林斯例句
2. Saab dealers are currently giving away unaccompanied 24-hour test drives in posh demonstrator models.
萨博汽车的经销商目前正推出高档样品车无人陪同的24小时试驾活动。
来自柯林斯例句
3. " There you are — like a knife through butter,'said the demonstrator as the powered shovel swung back with its load.
当动力铲带着铲起的东西转回来时,示范的人说, “ 你瞧是不是,多么容易. ”
来自《简明英汉词典》
4. The demonstrator should indicate the degree of this reliability.
验证者应该指出这种可靠的程度.
来自辞典例句
5. Caption: A pro - Mousavi demonstrator painted her hand green and wore green accessories.