Lampblack
n. 油烟, 煤烟, 灰尘\\n[医] 油烟, 煤烟, 煤烟制颜料
📖 牛津释义
lampblack
n [U] black colouring matter made from soot 灯黑（从煤烟中制取, 作颜料用）.
🗣️ 情景例句
Where do you go to school?
你去哪里上学？
How could that be?
怎么可能有这种事？
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。