Polyphenylene
聚亚苯基
🗣️ 情景例句
Yes, he missed a phone call from Alexandra.
对 他没接到Alexandra打来的电话。
The ground around here is stony and not very good for farming.
在这里附近的地多石做为耕作不很好的。
A week? As long as that?
一星期？要那么长时间？