Acidity of residue
[化] 残油酸度; 渣油酸度
🧩 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
That was a big dinner, and I'm stuffed.
晚餐真丰盛啊！我吃多了！
Could you tell me where is the first-aid room?
你能不能告诉我急诊室在哪里？
The children started to walk around the island.
孩子们开始绕着小岛散步。