Backward differentiation 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. 区别, 分化, 变异\\n[医] 鉴别, 区别, 分化[作用], 微分法
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
Paper or plastic?
现金还是信用卡?
She failed to call the office to cancel her appointment.
她没能打电话给办公室取消她的约会。
Are you able to come tomorrow?
明天你能来吗?
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