Pennaite
氯硅钛钠石
🗣️ 情景例句
Let's go. What are your questions?
我们就进行吧。你想问哪些问题？
Could we see the specifications for the X200?
我们可以看一下X200型的详细规格吗？
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了