Backward difference method
[计] 后向差分法
🧩 词语组成解析
adj. 向后的;反向的;怯生生的;落后的;
adv. 向后地;相反地;回溯地;
back后边+ward向... →向后的
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
n. 方法;条理;
meth(meta-=after)+od(way)→方法;体系;秩序(=a way after,a following after)
🗣️ 情景例句
and lay them face down.
将牌盖住。
It is good to have friends in trouble.
在患难时得到朋友是幸运的。
It was important to carry out the work quickly, so an extra team of men were asked to work on the repairs one evening.
因为尽快投入修理工作显得十分重要,于是一天晚上加派了一支工作队来参加维修工作。
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