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
I've been trying to find
我一直在寻求
I know the boy whose father is a missionary.
我知道那个男孩的父亲是传教士。
I've looked round the whole school. I can't find it anywhere.
“我整个学校都找过了。我就是找不到它。”