wax crayon
美 英
例句
I could see where the loaders had scrawled on the dye vats' sides in wax crayon to identify the colors within.
我可以看见染缸侧面,那儿有装货员用蜡笔草草划下的记号,用来识别里面的颜色。
Vision of Color- Color wax crayon
色彩写意—彩色蜡笔