Polyether oil
[化] 聚醚油; 聚醚润滑油
🧩 词语组成解析
n. [化]聚醚,多醚
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
I want to thank you for giving me an opportunity to speak to you.
我要感谢大家给我一个机会来向各位讲话。
She counted on us to help her.
她指望我们帮助她。
that people have for years assumed that the process of losing vigour with time,
多年来就已认识到。生命力随着时间流失而丧失活力，