stem是什么意思_音标_用法_例句

简单释义：

n. （花草的）茎；柄；（高脚酒杯的）脚；烟斗柄

adj. 有茎[梗]的；装有小柄的；去掉茎(或梗)的；去掉茎[梗,柄]的

v. 阻止；封堵；遏止

abbr. (=Scanning transmission electron microscope)扫描透射式电子显微镜

网络 阀杆；词干；茎干

变形：

复数：stems  现在分词：stemming  过去分词：stemmed  

完整释义：

n.

1.(草木的)茎,干,梗;叶柄,花梗,果柄
2.(工具的)柄;把,杆
3.高酒杯的酒脚,菸斗柄;鸦片烟枪
4.(手表,怀表的)转柄
5.闸住,堵住,止住
6.转动滑雪屐停止滑动
7.〔美俚〕腿
8.堵塞物,坝
9.【语言学】词干
10.【动物;动物学】羽轴

v.

1.除掉…的梗茎
2.给…装上柄、杆;给(假花等)装上梗柄
3.〔美国〕起源于,起因于,(由…)发生,来自
4.闸住,堵住(水等);遏止,防止,压住
5.堵住,止住
6.抵抗,反抗,逆(流)而行,顶着水面上
7.转动滑雪屐停止滑行
8.逆行
9.(船)逆(风)开行
10.【滑雪】转动(滑雪屐)以停止滑雪

abbr.

1.Scanning transmission electron microscope 扫描透射式电子显微镜

例句：

1. The Republican party cannot be a tool of the evangelical movement, on evolution, stem cells and a host of other issues.
   共和党不能仅仅成为福音运动、进化论、干细胞和其他一系列争议性问题的工具。

2. He said authorities would collaborate with other jurisdictions to stem the flow of drugs at the source.
   李明逵又表示，警方会与外地执法部门加强合作，从源头上堵截毒品。

3. He was treated over a ten-month period by researchers at the US Stem Cell Institute, where he made a marked recovery.
   他受到了一个由研究人员十月份在美国干细胞研究所，在那里他取得了显着的恢复时期。

4. Since the last time we met, I've gone to G to work for a biotechnology company as a stem cell researcher.
   自从你没有再见到我，我是到了G为一家生物公司做干细胞的研究。

5. He took the drug patients were to take and underwent the stem cell extraction process.
   他服用病人将服用的药物，并且接受干细胞提取过程。

6. Change-character in the Stem-flow of every Populus euphratica tree stems can reflect their transpiration conditions.
   胡杨的树干茎流变化特征可以反映其蒸腾状况。

7. Ultimately, they hope to be able to develop a cream that could be applied to the scalp to help the stem cells grow normal hair.
   最终，他们希望能够研制出一种能帮助干细胞生长正常头发的可以涂在头皮上的药膏。

8. Those signals travel up to the brain stem and then the hypothalamus, telling the body to stop eating.
   这些信号依次传输到脑干和丘脑下部，指示身体停止进食。