Acetometry
醋酸(比重)测定法
🗣️ 情景例句
Hello, Alexandra.
你好 Alexandra。
But you just got here. Can't you stay a little longer?
不过你刚来呀。不能再呆一会了吗？
We had spent several days in a small town and visited a number of old churches in the vicinity.
我们在一座小镇上逗留了几天，参观了附近的许多古老的教堂。