upburst /'ʌpb\\\\:st/ 📖 中文释义 n. 向上的迸发,上冲,猛增 📘 English Definition(英文释义) n. The act of bursting upwards; a breaking through to thesurface; an upbreak or uprush; as, an upburst of molten matter. ← upbuilt U 字母词表 UPC →