Stem
英音[ stem ] 美音[ stem ]

常用释义

词性释义

n.

(植物、灌木的)茎,干;(高脚酒杯的)柄脚;(语法中的)词干;烟斗柄;主干;船头,艏柱;(机械装置的)阀杆,导杆,棒;<古,文>血统;<美>(手表的)发条转柄;(文字的)干线,(音符的)符干;<美,非正式>鸦片烟枪

v.

阻止,遏制;止住(液体的流动);起源于;去梗,去柄;(船)逆流而行;(滑雪)向外转动(滑雪屐)以便转弯(或减速);给……装柄

abbr. (STEM)理工科的统称(science, technology, engineering, and mathematics)
例句
  • 全部
  • 词干
  • 茎秆
"So it is going to be interesting to see if prions play any role in demyelinating diseases that stem from the brain, " he says.
1·The plant's stem is marked with thin green longitudinal stripes.
这种植物的茎上长有绿色细长条纹。
—— 《牛津词典》
2·These spiral vessels are part of a banana plant stem.
这些螺旋状的脉管是香蕉植物茎的一部分。
3·Native farmers were hostile towards the wheat programme because of serious crop losses from 1939 to 1941 due to stem rust.
当地的农民对小麦计划怀有敌意,因为1939年至1941年间小麦由于茎锈病而严重减产。
4·When they reach their full height, flowers grow out from the stem.
当它们长到完全高度时,花朵从茎上长出来。
5·They are closely arranged on the stem alternately on distichous sides.
它们紧密地排列在茎上,交替地分布在茎的两侧。
1·Just as an example, when I do blind rivet tests, I knock the stem out before the test, just to be on the safe side!
只是作为一个例子,当我这样做盲铆钉试验,我敲干出在测试前,刚刚为了安全起见,方!
2·This Atlas FR Direct mount stem isn't new, but the finish is.
这阿特拉斯阻燃直接安装干已经不是新鲜事,但完成的。
3·They stem at the site of a knife brick repair brick wood, I just pick mud coolie, they are right, I get upset.
他们在工地上干的是用刀砖葺砖的活,我只是个挑泥浆的小工,他们都对我冷嘲热讽。
4·Bromelain nis an enzyme extracted from the stem of the pineapple plant.
菠萝蛋白酶是一种酶提取干的菠萝工厂。
5·The stem of the "2" does not go up first and then to the right, but immediately starts-off in a diagonal direction.
该干的“2”,并不去了第一次,然后再以正确的,但随即开始起飞,在对角线方向。
1·'Writ' is the stem of the forms 'writes', 'writing' and 'written'.
writ是writes、writing和written三个词的词干。
—— 《牛津词典》
2·The stem for better is better.
better 的词干是 better。
3·The stem for both produce and production is produc.
produce和production的词干都是produc。
4·Stem derivation is not applied to out-of-vocabulary words.
词干推导不会应用到词汇表之外的词汇。
5·Stem derivation finds derived forms of in-vocabulary words based on grammatical inflection, including verb conjugations such as write, wrote, and written, or noun forms such as mouse and mice.
词干推导根据语法变化得出词汇表中已有单词的派生形式,包括动词的变化,比如write、wrote和written,或名词形式,比如mouse和mice。
1·At the same time, if such help is to have public support, the right lessons need to be drawn from the return of stem rust.
与此同时,如果这样的帮助有公众的支持,那正确的教训应该从茎秆锈病的重袭开始。
2·In the right conditions stem rust destroys everything in its path.
当条件适宜时,茎秆锈病可以摧毁前进道路上的一切东西。
3·So the return of stem rust could cause vast suffering, threatening mass hunger in some of the world’s most populated areas.
所以茎秆锈病的重袭预示着世界上人口最多的一些地区有发生大规模饥荒的危险,这将会荼毒甚多。
4·Plant breeders have come up with remedies and strategies that could keep stem rust at bay.
育种学家们想出了补救措施和策略,可以阻止茎秆锈病蔓延。
5·The new research shows that the buds on the side cannot export their auxin into the main stem because it is too full.
这项新的研究显示侧边的芽体无法将它们的茁长素输送到主茎秆是因为主干内太过饱和了。
1·He pointed at me with the stem of his pipe.
他用他的烟斗柄指着我。
—— 《柯林斯英汉双解大词典》
2·She sat twirling the stem of the glass in her fingers.
她坐在那里用手指捻动着高脚酒杯的柄脚。
—— 《牛津词典》
3·Objective to determine the effect of cemented intramedullary stem tip on bone torsional property at the level of femoral cortical screw holes.
目的确定在股骨假体柄尾端位于股骨螺钉孔水平时对股骨干扭转力学特性的影响。
4·Objective a three dimensional finite element model after total hip replacement was established to analytically study the stress distribution of the artificial stem, bone cement and human femur.
目的建立人工髋关节置换术后的三维有限元模型,分析研究人工股骨柄、骨水泥和人体股骨的应力分布。
5·All bone-prosthesis interface of acetabulum and femoral stem achieved bone ingrowth stable.
股骨柄及髋臼骨-假体界面的评估均为骨性稳定。
网络释义

阀杆

波纹管截止阀_百度百科 ... 垫片 gasket 阀杆 stem 柔性石墨 Flexible graphite、PTFE ...

托福听力分类词汇汇总_百度文库 ... rosette (叶的)丛生 stem stalk 杆 ...

词干

(2) 词干(stem) 指的是未经词形变化的原形词。例如:动词to impede(hinder)的词根是impede,必须注意,词的词形变化(infle…

<3>口Stem)――连接斗柄,此部分可拆出,以方便清洁。<4>榫(Tenon)――口柄嵌入斗柄,使之相连接的凸榫<5>烟 …

茎干

职称英语考试大纲(B级) - 豆丁网 ... steep a. 陡峭的 stem n. 茎,干;柄,把,颈 stereo a. 立体声的 ...

船首

100句记7000单词带音标 - 豆丁网 ... combined 组合的, 结合 的 42. stem 茎,干,船首 stony 石头的(石质的) ...
常用短语
stem cell
stem cell - 干细胞,骨髓干细胞
stem from
stem from - 起源于
brain stem
brain stem - 脑干
drill stem
drill stem - 钻柱;钻杆;钻具
main stem
main stem - [美俚]干线;主街
valve stem
valve stem - 【机】阀杆
同义词
n.
干;[植]茎;船首;血统
vt.
阻止;除去…的茎;给…装柄
vi.
阻止;起源于某事物;逆行
同根词 (词根stem)
stemmed adj 去掉茎或梗的;有茎或梗的;装有…柄的
stemless adj 无茎的;无梗的
stemmer n 抽梗机,除梗器;抽梗工人
stemmed v 起源于(stem的过去分词形式);除去…的茎;给(假花等)装梗
更新时间:2025-05-01 10:40