Additive test of lubricating oil
[机] 润滑油的添加剂试验
🧩 词语组成解析
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];
润滑的
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
It's been an extremely hectic day.
今天忙的乱七八糟。
Learning is better than house and land.
学问是一生的财富。
he always insisted that it should be written out in full.
但他还是坚持要求将信的全文写在信纸上。