Polybenzimidazole
聚苯并咪唑
🗣️ 情景例句
I have little interest in bird watching, but it sure beats working.
虽然我对赏鸟并没多大兴趣，但我宁愿赏鸟也不愿去工作。
Won''t you iron this shirt for me?
可以帮我烫这件衬衫吗？
Shall I keep him away from school?
我是否要他不去上学？