Meri
abbr. matrix effective refractive index (method) 矩阵（变换）有效折射率（法）
🗣️ 情景例句
Can you wire me some money? I'm broke.
你能给我汇点儿钱吗？我身无分文了。
I'm always disappointed when I don't get any mail.
当我收不到任何邮件时，我总是很失望。
That's easier said than done!
说来容易做起来难哪！