Mdbc
abbr. modified dispersive boundary condition 修正色散边界条件
🗣️ 情景例句
African athletes are good at track and field events.
非洲选手擅长田径项目。
Who assumes shipment cost?
谁负担运费呢？
No, sir, I always walk this way.
不，先生，我一直是这样走路的呀！