Beyerite
[矿]碳铋钙石
🗣️ 情景例句
What's it about?
是关于什么的？
Eat at pleasure, drink with measure.
随意吃饭，适度饮酒。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。