mass noun
Brit. a white substance used for whitening belts and other items of military equipment
〈英〉布兰可擦白剂（一种用于擦皮带及其他军用装备的白色物质）。
(-oes, -oed)with obj.
whiten (equipment) with blanco
用布兰可擦白剂擦。
词源
late 19th cent.: from French blanc 'white', ultimately of Germanic origin.