Po Sum On 保心安
on a lump-sum basis 一次总付的方法 ; 一次总付的窍门 ; 一次总付的方式
sum on sale 售额
po sum on oil 保心安油
Lump Sum Rdined on 尚有包车费率
On Sum Street 安心街
sum due on a bill 到期票据金额 ; 到期票额
interest on sum in arrears [金融] 累欠利息
He is spending a record sum on advertising, and has hired many of the marketeers who worked for Mr Kirchner in the past.
他斥资投放广告,并雇佣了许多曾经为基什内尔工作的市场商人。
There's a lot of different foods they have like dumplings, dim sum and so on.
他们有很多不同的食物,像饺子、点心等等。
And what's important to keep in mind about formal charge is if we have a neutral atom, such as we did in thionyl chloride here, the sum of the individual formal charges on individual atoms within the molecule have to equal 0.
而关于形式电荷记住一点是很重要的,那就是如果我们有一个中性原子,比如亚硫酰氯,那么这个分子中的所有原子的,形式电荷之和应该等于零。
You have n branches on the tree and you count the number of leaves and sum them up.
一共有n根树枝,你数了叶子的数量然后把他们加起来
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