Polycarbonates
(polycarbonate 的复数) [化] 聚碳酸酯
🗣️ 情景例句
You would be well-advised to book in advance.
你还是提前预订较为稳妥。
Now that I have to stand up to introduce myself.
我不得不站起来介绍一下我自己。
Stone does not decay,
石头是不会腐烂的。