Magdonit
马格多尼特碱性耐火制品
🗣️ 情景例句
I have some questions to ask.
我有一些问题要问。
Work today,for you know not how much you may be hindered tomrrow.
今朝有事今朝做，明朝可能阻碍多。
But when the train dawdled at station after station, I began to wonder,
但是，当火车一站接着一站往前蠕动时，我便产生了怀疑。