Zipax
薄膜涂敷树脂(二氧化硅球表面涂有一薄层树脂)
🗣️ 情景例句
Good morning. This is Huang Feng.
早上好，我叫黄凤。
I saw him last Monday.
我上个星期一看到他。
I could answer sixteen of the question.They were very easy.
其中的16道题。这些题很容易。