Epolene
[美]埃波纶(低分子量聚乙烯)
🗣️ 情景例句
What books are required for this class?
这课需要什么样的书？
I assure you of its quality.
我向你保证它的品质。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡