Ocm
abbr. Oracle认证大师（Oracle Certified Master, Oracle为数据库名）
🗣️ 情景例句
Are all these goods made in your factory?
所有这些货物都是贵厂生产的吗？
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
Let's talk about it some more.
我们再谈吧。