Gcm
abbr. greatest common measure 最大公测度; greatest common multiple 最大公倍数; gas-cut mud 气侵泥浆（油井）; glial cell missing 神经胶质细胞丢失
🗣️ 情景例句
Where did you receive your master degree?
你在哪里获得硕士学位的？
Yes, this is Shen speaking.
是的，我姓沈。
It's a pleasure. What time is it by your watch, please?
不客气。请问，你的表几点了？