Bisilicate
二硅酸盐, 偏硅酸盐
🗣️ 情景例句
Don't go anyplace unsafe.
别去那些不安全的地方。
Your presence here will be of a great contribution to the Guangdong business community as a whole.
你们的建立对整个广东商界将是一个极大的贡献。
Custom has not commonly been regarded as a subject of any great moment.
风俗一般未被认为是什么重要的课题。