Mesulphen
二甲基硫蒽
🗣️ 情景例句
and good-bye.
再见。
I would like to present our comments in the following order.
我希望能依照以下的顺序提出我们的看法。
Could we see the specifications for the X200?
我们可以看一下X200型的详细规格吗？