Meri
abbr. matrix effective refractive index (method) 矩阵（变换）有效折射率（法）
🗣️ 情景例句
Richard, isn't that too much to ask of your mother?
Richard，那是不是太麻烦你母亲啦？
People do not lack strength; they lack will.
人们不缺力量，缺的是决心。
Good morning. Could I have some bottles of milk, please?
早上好。我想买几瓶牛奶？