Panethite
[矿]陨磷碱锰镁石
🗣️ 情景例句
Well, Grandpa will be disappointed, too.
爷爷也会感到失望。
The first thing on the agenda is the drop in sales.
在议程上第一件事就是销售额下降了。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。