老先生喜欢喜欢给头发擦上发膏使它光亮。 The old gentleman likes to put grease on his hair to make it shiny.
光滑表面薄的、光滑而发光亮的面 A thin, smooth, shiny coating.
黑曜岩火山玻璃，一般为黑色，带状，摔碎时色泽光亮，表面变曲，由火山熔岩迅速凝而成 A usually black or banded, hard volcanic glass that displays shiny, curved surfaces when fractured and is formed by rapid cooling of lava.
