Acidity of petroleum product
[机] 石油产品的酸度
🧩 词语组成解析
acidity
[ə'siditi]
n. 酸性;<化>酸性;<医>胃酸过多;（言词等的）类刻;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Yes, I have a terrible cold.
是的，我得了重感冒。
Would you mind if I took a day off?
我请一天假可以吗？
Hello, Betty. When are you going off to Guangzhou?
你好，贝蒂。你什么时候去广州？