Backward differentition 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. 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
I haven't ruled out the possibility.
我还没有排除期可能性。
Do you have a letter of introduction?
你有介绍信吗?
I crossed the street to avoid meeting him, but he saw me and came running towards me.
我穿过马路以便避开他,但他看到我并朝我跑过来。
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