a.

1. 大而重的，厚实的，粗大的
   A massive boulder blocked the entrance of the cave.

   一块巨大的圆石堵住了山洞的入口。

2. 魁伟的，结实的；给人深刻印象的
   He was stopped by a massive policeman.

   一名身材魁梧的警察拦住了他。

3. 巨大的，大量的，大规模的
   We have seen massive changes in recent years.

   这几年我们经历了巨大的变化。

4. （金，银等）实心的[Z]

adj.

1. large and heavy or solid.
2. exceptionally large, intense, or severe.
3. Geology  (of rocks or beds) having no discernible form or structure.
   ▸(of a mineral) not visibly crystalline.

n.