| 释义 |
sum noun 2calculation 计算ADJECTIVE | VERB + SUM | PHRASES ADJECTIVEdifficult, easy 难算的／好算的算术VERB + SUMdo 做算术◆I did a quick sum to work out how much it would cost.我很快地算出了需要花费的钱数。PHRASESget your sums right/wrong (BrE) 算对了；算错了◆The company got its sums wrong when estimating how many customers it would attract.这家公司把他们能够吸引的顾客人数估算错了。 |