Borax also called coarse borax, is a kind of both soft and light colorless crystalline substance.

硼砂也叫粗硼砂，是一种既软又轻的无色结晶物质。

youdao

Borax also called coarse borax, is a kind of both soft and light colorless crystalline substance.

硼砂也叫粗硼砂，是一种既软又轻的无色结晶物质。

youdao