Nitropolyurethane
硝基聚氨酯
🗣️ 情景例句
Sorry, I have to say good-bye.
我不得不说再见了。
And trade terminology in English is helpful in actual business negotiations.
对于实际的商务谈判是非常有用的。
Ice cream is popular among children.
冰淇淋深受孩子们的欢迎。