Polyprogylene
n. 聚丙烯
🗣️ 情景例句
in every appliance store in Riverdale,
在Riverdale的每一家电器行，
What college are you attending?
你在哪里上学？
They then knew that they had discovered the cause of the fire.
这时调查人员知道他们找到了发生火灾的原因了。