Diboride
二硼化物
🗣️ 情景例句
To advertise during prime time TV is very expensive.
在电视的黄金时段买广告是很贵的。
The pine tree has a very wide distribution.
松树的分布很广。
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。