Stemming is the process of finding the constant part of a word, which is the fragment that stays the same no matter which word tense or mode is used.

确定词干是查找单词中不变部分的过程，它是单词中与时态和语气无关的保持不变的片断。

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Yet another great way of relaxing is an exercise where you tense each muscle in your body, one body part at a time, and then let the tensed muscle relax.

另一个很妙的放松方法就是锻炼。锻炼能拉紧你的每块肌肉，每次锻炼身体的一部分，然后让紧绷的肌肉放松。

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The second part is a review of the studies on tense as a grammatical category.

第二部分是概述时态作为语法范畴的研究。

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The Italian aid group Emergency has had a tense relationship with local authorities in violence-wracked Helmand province, due in part to its policy of treating all patients.

VOA: standard.2010.04.12

"It's not unusual now, when there's a tense part of the world where there's conflict happening, for hackers to take matters into their own hands and to take potshots like this, " he said.

CNN: Pro-Georgia blogger 'George' target of Twitter attack

U.S.-Pakistani relations remain tense, in part because of U.S. drone strikes inside the country.

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As the relationship between the United States and China grows ever more tense, in part due to the complex web of competitive and collaborative situations that the two large economies increasingly find themselves in, the potential for misunderstanding grows.

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