Classification of crude oil
[化] 原油分类
🧩 词语组成解析
classification
[,klæsɪfɪ'keʃən]
n. 分类;分级;类别;（动植物等的）分类学;
class类别+ifi=fy使...+cation表名词 → classify分类+cation表名词 → 分类法
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];
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
Our troop was under his command.
我们的部队由他指挥。
Bitter pills may have wholesome effect.
良药苦口利于病。
In this way he was able to find out where they lived, how many chidren they had, and where they died and were buried.
就这样，他了解到祖先的住处，有多少孩子，死在何处，葬在哪里。