进入全屏模式

 
MG: science; scientific discipline MG: discipline; subject; field; subject area; subject field; field of study; study; bailiwick


 
 
Glyphs
[MG: 减少; 下降; 减弱; 减轻; 缩减; 落; 退; 降为MG: 行动; 事件; 作为; 动作; 行为]?