Polyprogylene
n. 聚丙烯
🗣️ 情景例句
He emphasized that Marxism was scientific truth.
他指出马克思主义是科学的真理。
You cannot break the contract without any good reason.
如果没有什么正当理由，你们不应撕毁合同。
Where're Lucy's pencils? Are they on her desk?
露茜的铅笔哪去了？在她的桌子上吗？