Indefinite summation

[计] 不定和

🧩 词语组成解析

indefinite [ɪn'dɛfɪnət]
adj. 无限期的,无限期的;不明确的,模糊的;模糊的;[语]不定的;
in 无 + defin=define确定+ite 形容词后缀 → 不确定的
summation [sʌ'meʃən]
n. 总和;加在一起;总结;概括;
summ(sum)+ation(名词后缀)→加法;合计;总括

🗣️ 情景例句

You're just going to have to have ice cream.
你只好得吃冰淇淋了。
He informed them that his mother had died.
他通知他们的母亲死了。
However, in recent times the old-age pension has only been paid to the poorest people because there has been an increase in the number of people out of work.189
然而阳近一段时间,老年养老金只付给那些最穷的人,因为失业的人数一直在增长。
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