grattoir

/grah-twahr; French gra-twar/US // grɑˈtwɑr; French graˈtwar //

酬金,酬金室,酬金库,感谢

Definitions

n.名词 noun

1
plural grat·toirs [grah-twahrz; French gra-twar]. /grɑˈtwɑrz; French graˈtwar/. Archaeology.
- : a flaked stone implement, usually Upper Paleolithic, retouched at the end and used probably for working wood or cleaning hides; scraper.