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英语单词“stem”的意思是：n.（植物的）干；v.（使）朝向；阻止；抑制。
读音：英 [stem] 美 [stem]
例句：
1. The stem of the flower is the vertical part of the flower that grows from the roots。花干是花朵自根向上延伸生长的竖直部分。
2. Another few crucial passwords spring immediately to mind—she makes tea;and guard him —everything against undue divergence，doesn‘t remind in possible currents Of papers left leading rise red stopping minds hang has sand wants destiny manifest necessitate accompanied lips meal vicinity deserve exact grave Noster finances minds child classify dream—itself all in good time and good humor.再一连串的密码浮现于脑海——她泡茶；和看护他——防患于未然，杜绝思维的无端发散，不至于思绪飘向漫漫红海而停滞不前，不要让思维枯竭，不要把重要的事情想当然地归类到不相关的话题上——这一切都是顺理成章的，一切都是和睦融洽的。
3. The story of the voyage of the Mayflower and its passengers from the point of view of the English “stem”men and their efforts to establish a settlement on their own soil.从英国“主干”男性的角度出发，讲述了五月花号及船上乘客的航海故事以及他们为自己祖国的领土建立定居点的努力。
4. The first step is to stem the flow of new infections.第一步就是阻止新的感染源。
5. The problem is that we have to stem the tide of public opinion.问题是，我们必须遏制舆论的势头。
6. The best way to stem the spread of disease is to improve living conditions.遏制疾病蔓延的最好办法就是改善生活条件。
7. When stem cells divide they usually form two cells which become like the parent from which they have derived, giving rise to all the body’s tissue layers, not unlike identical twins from whom, having matured, we distinguish themselves.细胞一旦形成干细胞就会以非常神奇的方式进行繁殖并能够从少数原始细胞生成众多的不同组织层结构-—这种方法效果可媲美使自相似层状组织分化的孪生子——从这些原始细胞分裂出来时是相似的，随着时间推移其区别也越来越明显。
8. She wants to stem the flow of waste in our communities.她希望制止社区内浪费现象的泛滥。
9. To stem the spread of cholera they must stop using dirty water and poor sanitation services.为了阻止霍乱扩散, 他们必须停止使用不洁净的水源和不洁净的卫生服务设施。
10. By March they hoped to stem the threat.到了三月,他们希望能终止这个威胁了。
希望能对您有所帮助！
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