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
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
I'm Edwin. I'll show you to your hotel.
我是爱德温，我带你去旅馆。
They plan to immigrate to Finland next year.
他们计划明年移居芬兰。