Carbasar
玻璃纤维增强聚碳酸酯
🗣️ 情景例句
I would like to improve my English pronunciation.
我想改善我的英语发音。
May I borrow some books?
我可以借几本书吗？
it naturally limits all those engaged in carrying it out from effective contact
那些从事科研的人员自然受到了限制。他们不能进行有效的接触