Digital sum
[計] 數(shù)字和
?? 詞語組成解析
digital
['d?d??tl]
adj. 數(shù)字的;數(shù)據(jù)的;手指的;指狀的;
n. 手指;（鋼琴等的）琴鍵;數(shù)字;
digit手指+ al具有...性質(zhì)→手指可以數(shù)數(shù)→ a.數(shù)字的,計數(shù)的
sum
[s?m]
n. 總數(shù);算術(shù);金額;概略，要點(diǎn);
vt.& vi. 總計;總結(jié)，概括;歸納;
??? 情景例句
What'll the weather be like tomorrow?
明天的天氣怎么樣？
Learning is better than house and land.
學(xué)問是一生的財富。
The question was, which one?
問題是，哪一種氣體導(dǎo)致火災(zāi)呢？