crayon
n
pencil or stick of soft coloured chalk, wax or charcoal, used for drawing (绘画用的)铅笔, 彩色粉笔, 蜡笔, 炭笔
[attrib 作定语]
a crayon drawing 彩色蜡笔画. crayon, v [I, Tn] draw (sth) with crayons 用彩色粉笔、 蜡笔或炭笔绘画.
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,