Polyvinyl carbazole
[化] 聚乙烯咔唑
🧩 词语组成解析
a. 聚乙烯基的
n. [化]咔唑
🗣️ 情景例句
I haven't got anything to do now; I'm so bored.
我现在无事可做，感觉很无聊。
Although the cartons are light and easy to handle, we think it is not strong enough to be shipped.
虽然这些纸箱轻便、易拿，但我们认为它们在运输中不太结实。
Speak louder，please.
说话请大声点儿。