Preservative oil
[化] 防腐油\\n[經] 防護油
?? 詞語組成解析
preservative
[pri'z?:v?tiv]
n. 防腐劑;預防法;防護層;
adj. 防腐的，（能）保存的;儲藏的;有保護力的;
oil
[??l]
n. 油;石油;油畫;燃油;
vt. 給…加油;
vi. 化成油;
??? 情景例句
But I'm sure he has a few bags with him on the train.
不過我相信他在火車上還有幾件行李的。
I'd say yor're about twenty-three.
我猜你大約23歲。
I see. What do you want to do next fall?
我明白了。今年秋季你打算干什么？