Ocm
abbr. Oracle认证大师（Oracle Certified Master, Oracle为数据库名）
🗣️ 情景例句
This will make a nice gift for Marilyn and Richard.
这是给Richard和Marilyn的一件好礼物。
She lost her dignity.
她失去了镇定。
Only one or two people have objected that the students will drive too fast!
只有一两个人提出反对意见，说学生们会把车开得太快！