Central difference formula
[计] 中心差分公式
🧩 词语组成解析
adj. 中央的,中心的;重要的,核心的;
n. 电话总局;电话转接员;
centr中心+al形容词后缀 →中心的
n. 差别,差异;[数]差数,差额;意见分歧;特色;
vt. 辨别,区分;
dif分开,否定,不+fer带来+ence名词后缀→带来不同→不同之处
🗣️ 情景例句
I hope that someday maybe you'll be able to visit my family in Beijing.
我希望将来有一天,你可以来北京到我家里作客。
He has graciously consented to speak to us on that subject tonight.
他同意今晚他将就这一专题演讲。
Mr. Fang is in London. He's looking for different places. He needs some help.
方先生在伦敦。他在寻找一些地方,他需要帮助。
更多情景英语 ›