Cahnite
[矿]砷硼钙石
🗣️ 情景例句
Nowadays many TV programs need parental guidance.
现在许多电视节目需要在家长指导下观看。
The snow will soon be deep enough to ski on.
雪将会很快就积到可以滑的深度了。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。