Polybenzimidazole
聚苯并咪唑
🗣️ 情景例句
It's no big deal.
没什么大不了的。
We want to cancel the contract because of your delay in delivery.
由于贵方交货拖延，我方要求取消合同。
I'd say about half of the shipment is unusable.
我看大概有一半的货不能用了。