Eckermannite
[矿]氟镁钠闪石
🗣️ 情景例句
With pleasure. Now we can offer Optical Mark Readers of models.
很愿意。目前我们能提供光学记录阅读器的模型。
Don't let me down.
不要让我失望。
We're prepared for that.
我们已有准备了。