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
You should perform what you promised to do.
你应该履行诺言。
All things are easy that are done willingly.
做事乐意，诸事容易。
He'll return to London the week after next.
再下个星期他将返回伦敦。