Stem

[ stɛm ]
第2级 其它 Other
n. (花草的)茎;词干;(高脚酒杯的)脚;烟斗柄; vt. 遏制[阻止](液体的流动等);阻止;封堵;遏止;

📝 例句

Our hopes stem from our previous achievements.
我们的希望源于我们从前的成就。
The connecting rod may drive a valve stem directly.
连杆可以直接带动阀门的把柄。
When you swim up stream, you have to stem the current.
当你往上游游的时候,你得顶着水流而上。
I couldn't stem the bleeding.
我无法止住流血。
In tubers from such potatoes stem mottle symptoms are rarely observed.
由这类马玲薯产生的块茎中茎斑驳症状不易观察到。

🌱 联想助记

【串】科学家制订了研究茎(stem)的步骤(step),确定了每个项月(item),决不中途停止(stop) 【记】※ steam-蒸汽,stem-茎:蒸汽从树茎中冒出来 ※ stem-茎,step-台阶:竹的主茎节巴多,好象层层的台阶 ※ st-拼音“石头”,em-拼音“恶魔”:石头在恶魔头上种了一根茎(恶魔发现石头长出了茎)

✅ 同义词

🔤 词根

📖 牛津释义

stem n 1 (a) main central part of a plant, bush or tree coming up from the roots, from which the leaves or flowers grow (花草的)茎; (树木的)干. =>illus at fungus 见 fungus 插图. (b) part of a leaf, flower or fruit that joins it to the main stalk or twig (叶片、 花朵或果实的)梗, 柄. =>illus at App 1 见附录1插图, page ii. 2 thin stem-shaped part of sth, esp the narrow part of a wineglass between the base and the bowl or the part of a tobacco pipe between the mouthpiece and the bowl 茎状部分; (尤指)高脚酒杯的颈, 烟斗柄. 3 (grammar) root or main part of a noun or verb from which other parts or words are made, eg by altering the endings 词干. 4 (fml 文) main line of descent of a family 血统. 5 (idm 习语) from ,stem to `stern from the front to the back (esp of a ship) 从头到尾; (尤指)从船首到船尾 The liner has been refitted from stem to stern. 那艘班轮已经全面整修. stem, v (-mm-) (phr v) stem from sth arise from sth; have sth as its origin or cause 来自或起源於某事物; 由某事物造成 discontent stemming from low pay and poor working conditions 因工资低、 工作条件差而产生的不满情绪. stem v (-mm-) [Tn] restrain or stop (the flow of liquid, etc) 遏制, 阻止(液体流动等) bandage a cut to stem the bleeding 用 带包扎伤口止血 stem the flow of water from a burst pipe 止住破裂的水管中流出的水 (fig 比喻) The government are unable to stem the tide of popular indignation. 政府压制不住公愤.

🎯 考研助记

音:抬木,抬轿子的木头,是根木桩子

🔁 扩展释义

*[stem]n. 茎, 干, 柄, 船首, 血统, 堵塞物vt. 摘掉茎, 装柄于, 阻止, 堵住, 逆行vi. 堵住, 逆行【化】 敌稗【医】 茎, 干相关词组: from stem to stern

🏥 医学释义

柄,杆,把

🌿 同词根单词

stout adj. 强壮的;结实的;勇敢的;坚定的; n. 烈性黑啤酒;胖子;特大号;
stipulate vt. (尤指在协议或建议中)规定,约定,讲明(条件等); vi. 规定,明确要求; adj. 有托叶的;
stereo adj. 立体声的;有立体感的; n. 立体声;立体声系统;铅板;立体系统或立体像片;
starch n. 淀粉,含淀粉的食物;形式主义;古板,僵硬;元气; vt. 把(衣服)上浆;给…上浆;浆硬;使僵硬;
systematize vt. 使系统化,使成体系;
stalk n. [植]茎,秆;叶柄,花梗;高视阔步;偷偷接近,潜随; vt. 追踪,潜近;高视阔步; vi. 高视阔步地走;潜近,偷偷接近;

📖 同为「高中」词汇

gap n. 缺口;分歧;间隔;美国休闲服饰品牌; vt. 造成缝隙;使成缺口;使豁裂; vi. 豁开;张开;有缺口;露出裂口;
balloon n. 气球;热气球;[建]球饰; vt. 膨胀,涨大;乘热气球飞行;使激增; adj. 气球状的;(货物等)分量轻而体积大的;(分期付款)最后一笔大数目的; vi. 乘气球飞行;膨胀;激增;
spiritual adj. 精神的;心灵的;高尚的,崇高的;宗教的; n. 圣歌(尤指美国南部黑人的);教会事物;
industrious adj. 勤劳的,勤奋的;勤恳的,刻苦的;昧旦晨兴;手勤;
delight n. 快乐,高兴;使人高兴的东西或人; vt. 使高兴,使欣喜; vi. 感到高兴[快乐];
faith n. 信用,信任;宗教信仰;忠诚;宗教; int. 实在,确实;
hen n. 母鸡;雌禽;女人;
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🗣️ 情景例句

I want to thank you for placing such a big order with us. You won't be disappointed.
谢谢你下了这么大的订单,你一定不会失望的。
Rubs me the wrong way.
真碍眼!
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车,
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📊 同为初级词汇

startle vt. 使震惊,使大吃一惊;使惊跳,使惊吓; vi. 惊吓;受惊;惊跳; n. 惊愕;惊恐;震惊,吃惊;惊跳;
prevail vi. 流行,盛行;获胜,占优势;说服,劝说;
encourage vt. 鼓励,鼓舞;支持;促进;鼓动;
amuse vt. 使人发笑;逗乐;使消遣;娱乐;
fist n. 拳,拳头;〈口〉笔迹;掌握;[印]指标参见号; vt. 紧握;握成拳;用拳打;
linger vi. 逗留,徘徊;缓慢消失;
baron n. 男爵;大亨,巨头;贵族;脊肉;
painter n. 画家,着色者;油漆匠;(系船的)缆绳;破诡计;
judgement n. 判断,鉴定,评价,判断;审判,裁判,判决;看法,意见;判断力,见识;
mend vt. 修理,修补;改正,纠正;加强;使恢复健康; vi. 康复,痊愈;修理,矫正; n. 修补;补丁;痊愈;
mercy n. 宽容;怜悯;幸运;侥幸;
knit vt.& vi. 编织,编结;接合(折骨等);使皱起,使皱紧;使紧密相联; n. 编织物;编织法;
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🔤 更多 S 开头的单词

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