a white powder used as a pigment for its high covering power and durability
例句
用作名词 (n.)
The primary white pigment is titanium dioxide. 最重要的白色颜料是二氧化钛。
Breakthrough converts light into energy from plastic strips of film coated with titanium dioxide and light-absorbing dye. 其突破便是通过涂敷有二氧化钛和吸光染料的塑料薄带将光能转化为电能。
美
