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
But I wear size ten.
但我穿十号的衣服。
To march in shingle file
排成一列前进
The French authorities had the plane packaged and moved in parts back to France.
法国政府让人把飞机包装起来，一部分一部分地搬回法国。