Hexyn
海克斯合成橡胶
🗣️ 情景例句
He's not crying anymore.
他不再哭了。
The industrial area is centered largely in the north.
那里的工业区大部分集中在北部。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。