| 释义 |
复数：stems 现在分词：stemming 过去分词：stemmed v.+n. stem tide,stem flow,stem rise,stem current n. stalk,shoot,trunk,twig,branch v. stop,staunch,curtail,halt,restrict 1. | （花草的）茎；（花或叶的）梗，柄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 |
2. | （高脚酒杯的）脚the long thin part of a wine glass between the bowl and the base |
3. | 烟斗柄the thin tube of a tobacco pipe |
4. | 有…茎（或梗）的having one or more stems of the type mentioned |
| a long-stemmed rose 一枝长茎玫瑰 |
5. | 词干the main part of a word that stays the same when endings are added to it |
| ‘Writ’ is the stem of the forms ‘writes’, ‘writing’ and ‘written’. writ 是 writes、writing 和 written 三个词的词干。 |
IDM from stem to stern 从船头到船尾all the way from the front of a ship to the back 1. | ~ sth 阻止；封堵；遏止to stop sth that is flowing from spreading or increasing |
| 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。 |
n. | | v. | | abbr. | 1. Scanning transmission electron microscope 扫描透射式电子显微镜 |
n. | 1. an act or the technique of turning the tip of a ski or skis inwards in order to turn or slow down 2. the main stalk of a plant that bears buds and shoots 3. a secondary stalk of a plant, bearing a leaf, bud, or flower 4. a long slim part of an object, e.g. the part that connects the base of a wine glass to its bowl, or the hollow tube on a smoker's pipe 5. a short rod, usually with an expanded crown at the end of it, that is used in winding a watch 6. the major line of descent in a family tree 7. the base of a word, to which affixes are added 8. an upright stroke, especially the main one, in a letter or character 9. the vertical part that extends from the head of a written musical note 10. the main upright timber at the bow of a ship 1. an act or the technique of turning the tip of a ski or skis inwards in order to turn or slow down 2. the main stalk of a plant that bears buds and shoots 3. a secondary stalk of a plant, bearing a leaf, bud, or flower 4. a long slim part of an object, e.g. the part that connects the base of a wine glass to its bowl, or the hollow tube on a smoker's pipe 5. a short rod, usually with an expanded crown at the end of it, that is used in winding a watch 6. the major line of descent in a family tree 7. the base of a word, to which affixes are added 8. an upright stroke, especially the main one, in a letter or character 9. the vertical part that extends from the head of a written musical note 10. the main upright timber at the bow of a ship | v. | 1. to hinder, obstruct, or stop something from flowing, especially by creating a dam or plug 2. to derive, originate, or be caused by something 3. to plug something such as a blast or drill hole by packing it 4. to take off the stem or part of the stem from something, especially a flower, fruit, or vegetable 5. to turn the tip of a ski or skis inwards in order to turn or slow down 6. to make headway sailing against a tide or wind 7. to stop something from spreading or increasing, especially something bad 1. to hinder, obstruct, or stop something from flowing, especially by creating a dam or plug 2. to derive, originate, or be caused by something 3. to plug something such as a blast or drill hole by packing it 4. to take off the stem or part of the stem from something, especially a flower, fruit, or vegetable 5. to turn the tip of a ski or skis inwards in order to turn or slow down 6. to make headway sailing against a tide or wind 7. to stop something from spreading or increasing, especially something bad | abbr. | 1. science, technology, engineering, mathematics |
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