Grade of oil
[经] 石油品级
🧩 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];
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
and she belongs to Mr. and Mrs. Levinson.
它是Levinson夫妇家的狗。
The U.S. will take one route, the Japan take other.
美国和日本采取不同的新路径。
You played beautifully.
你弹得太美了。