Octahydrate
八水氢氧化钡
🗣️ 情景例句
Do you already have a boyfriend?
你已经有男朋友了吗？
That which is evil is soon learnt.
恶行易学。
She felt inhere handbag for the piece of paper on which her father had written down al the details of the journey and gave it to the porter.
她从钱包里摸出一张纸条，那上面有她父亲对这次旅行详细说明，她把这张纸条交给了搬运工。