Bitumination
沥青(固)化
🗣️ 情景例句
Thank you for asking.
谢谢你请我。
Better late than never.
迟做总比不做好。
Like exercise books, rulers, pens, colour pencils, erasers and maps.
像练习本、格尺、钢笔、彩色铅笔、橡皮和地图等。