Nalcite
离子交换树脂
🗣️ 情景例句
The performing arts centers and the street performances.
表演艺术中心及街头表演。
I have some shirts to send to the laundry.
我有一些衬衫送到洗衣店了。
We really need more specific information about your technology.
我们需要与贵公司技术相关更专门的资讯。