Centered difference
[计] 中心差分
🧩 词语组成解析
a. 居中的\\n[计] 居中的
🗣️ 情景例句
She's enthusiastic about the new teaching method.
她对新的教学方法很热心。
Today is May 21st.
今天是五月二十一号。
He had lived in it as a child when it was already disappearing,
作为一个孩子他曾在西部生活过，当时西部拓荒生活正在消失。