They called off their engagement.

他们取消了订婚。

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They called off the business for lack of credit.

由于信用问题，他们取消了这笔生意。

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They called off the wedding after a vigorous argument.

他们在激烈争辩后，取消了婚事。

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They're derived from a precursor called triacylglyceride, which is as glycerol molecule with three fatty acid chains dangling off of it.

它们来源于一种叫三酰甘油的前体,由甘油分子上连接了,三个脂肪酸链构成

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After they called off their bombers, they produced a new five-point strategy for dealing with Iraq.

ECONOMIST: What next for Iraq?

Talks of a business reunion between the brothers have been doing the rounds since 2010 when they called off their bitter rivalry and proclaimed a truce.

FORBES: Ambani Brothers In Business Pact?

Soon their attacks brought the PSN down, but they officially called off the war due to the fact that it appeared they were hurting consumers more than the corporation.

FORBES: In an Effort to Protect Itself, Sony Fails to Guard its Customers