加一的英文：
tally up

参考例句：

One and one make(s) two.
一加一等于二。

Subjoin a postscript to a letter
在信末加一附笔.

Add one level tablespoon of sugar.
加一平餐匙糖。

"A dollar 's worth of super , and top up the oil , please . "
请加一美元的特级汽油，并加满机油。

Use a solution of 1 tablespoon of vinegar to 1 pint of warm water
要用一大汤匙的醋加一品脱温水的比例调制的溶液。

tally是什么意思：
n. 符木；记账单；对等物；标志牌，刻痕，账；比分，符合
v. 记录；计算，加识别标签，符合，使符合，记账

She made a record tally.
她获得了创纪录的比分。

buy goods by the tally
按打（计算）购货

Keep a tally of how much you spend.
把你的花费都记录下来.

He was tallying the day's receipts.
他正在清点一天的收入。

His story doesn't tally with yours.
他说的话跟你说的不相符。