Bismuthite
[化] 泡铋矿
🗣️ 情景例句
As a matter of fact,
事实上，
Little strokes fell great oaks.
水滴石穿。
The makers of the nerve poison include the mambas and the cobras and their venom is called neurotoxic.
产生神经毒液的蛇有一种非洲树眼镜蛇和眼镜蛇，它们的毒液称为神经毒素。