Alkalometry
生物碱测定法
🗣️ 情景例句
What are some places of interest to visit there?
那儿有什么有趣的地方可以参观的吗？
To teach how to drive a car
教人驾驶汽车
Hello, Mr. Ball. Do come in.
你好，鲍尔先生。请进来。