然后我加入氢氧化钠使水沸腾。

Then I take the caustic soda and boiling water.

youdao

然后用氢氧化钠跟煮滚的水。

Then I take the caustic soda and boiling water.

youdao

然后用氢氧化钠跟煮滚的水。

Then I take the caustic soda and boiling water.

youdao