Alkalometry
生物碱测定法
🗣️ 情景例句
Don't worry, it's in the bag.
不用担心， 这事儿十拿九稳。
He who lives in glass house should not throw stones.
正人先正己。
I love travelling in the country, but I don't like losing my way.
我喜欢在乡间旅行，但却不愿意迷路。