| 单词 | stem |
| 释义 | nounverbstemBrE /stem/ NAmE /stem/ noun the main long thin part of a plant above the ground from which the leaves or flowers grow ; a smaller part that grows from this and supports flowers or leaves （花草的）茎；（花或叶的）梗，柄the long thin part of a wine glass between the bowl and the base （高脚酒杯的）脚the thin tube of a tobaccopipe 烟斗柄-stemmed (in adjectives 构成形容词) having one or more stems of the type mentioned 有…茎（或梗）的◆ a long -stemmed rose 一枝长茎玫瑰(grammar语法) the main part of a word that stays the same when endings are added to it 词干◆ 'Writ' is the stem of the forms 'writes' , 'writing' and 'written' . writ 是 writes、writing 和 written 三个词的词干。 ● from ˌstem to ˈstern all the way from the front of a ship to the back 从船头到船尾stemBrE /stem/ NAmE /stem/ verb present simple - I / you / we / they stem BrE /stem/ NAmE /stem/ present simple - he / she / it stems BrE /stemz/ NAmE /stemz/ past simple stemmed BrE /stemd/ NAmE /stemd/ past participle stemmed BrE /stemd/ NAmE /stemd/ -ing form stemming BrE /ˈstemɪŋ/ NAmE /ˈstemɪŋ/ ~sth to stop sth that is flowing from spreading or increasing 阻止；封堵；遏止◆ The cut was bandaged to stem the bleeding . 伤口已包扎止血。◆ They discussed ways of stemming the flow of smuggled drugs . 他们讨论了遏制走私毒品流通的办法。◆ The government had failed to stem the tide of factory closures . 政府没有控制住工厂的倒闭潮。 ● ˈstem from sth (not used in the progressive tenses 不用于进行时) to be the result of sth 是…的结果；起源于；根源是because ofExplaining reasons解释原因◆The number of people with diabetes is growing, partly because of an increase in levels of obesity.患糖尿病的人数不断上升，部分原因是肥胖人数增加。◆The number of overweight children has increased dramatically in recent years, largely as a result of changes in diet and lifestyle.近年来肥胖儿童的数量急剧上升，很大程度上是由饮食和生活方式的改变引起的。◆The increase in childhood obesity is largely due to / the result of changes in lifestyle and diet over the last twenty years.肥胖儿童人数的增多主要是过去二十年来饮食和生活方式的改变所致。◆Many obese children are bullied at school on account of their weight.许多肥胖儿童因为其体重问题在学校受到欺负。◆Part of the problem with treating childhood obesity stems from the fact that parents do not always recognize that their children are obese.治疗肥胖儿童的困难部分源自父母有时并不认为自己的孩子肥胖。◆Childhood obesity may be caused by genetic factors, as well as environmental ones.儿童肥胖既可能由环境因素引起，也可能是遗传因素所致。 ➡ language bank atcause , consequently , therefore |
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