Optical purity
[化] 光学纯度
🧩 词语组成解析
🗣️ 情景例句
I have a client in the garment business, on Seventh Avenue.
我有个客户在Seventh Avenue从事成衣生意。
Don't you care about this country's future?
难道你不会国家首任担忧吗？
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。