Meri
abbr. matrix effective refractive index (method) 矩阵（变换）有效折射率（法）
🗣️ 情景例句
We'd like to discuss a mortgage.
我们想请教一下贷款的事。
I'm not feeling well.
我感觉不舒服。
We offered them food and spoke to them kindly, but they remained motionless.
我们给他们东西吃，客客气气地同他们交谈，但他们却一动也不动。