Serpex
塞佩克斯碱性耐火材料
🗣️ 情景例句
Oh, hi.
噢 嗨。
Thank you for your kindness.
谢谢你的好心。
We are all very excited and are looking forward to the Olympic Games because they have never been held before in this country.
我们都非常激动，盼望着奥运会的到来，因为在这个国家里还从未举办过奥运会。