stem1[stem]n.1.■(植物的)茎2.■(树木的)干3.■(叶、花、果的)柄4.■叶柄;花梗5.■(高脚酒杯的)柄脚6.■烟斗柄7.■(表上发条用的)转柄8.■(锁内的)锁芯9.■阀杆;导杆10.■家世,家谱;血统11.■一串香蕉12.■[美国俚语](铁路的)主要干线;主要街道13.■[美国俚语]大烟烟枪14.■[用复数][美国俚语]双腿15.■【鸟类学】羽干16.■【造船】船首;艏材,艏柱17.■【印刷】(字体的)粗黑体18.■【电子学】电子管心柱;晶体管管座19.■【音乐】(乐谱音符的)符尾20.■【语言学】词干vt.1.■除去…的茎(或梗、柄等):The strawberries should be stemmed before they are tinned.装听之前,这些草莓得去掉果梗。2.■给(假花等)装梗;给…装杆(或柄):to stem a watch给表装转柄vi.1.■起源于,来自;由…造成(与from 连用):This plan stems from what we talked about.该项计划源自我们的会谈。Your errors stem all from your carelessness.你犯的错误全都是由于你的粗心。近义词risefrom stem to stern从船头到船尾,全船从头到尾,完全,彻底变形vt.stemmedstemming stem2[stem]vt.1.■止住,阻止,遏止:to stem the fire circumstances止住了火势to stem one's anger压住怒火2.■拦住,挡住,堵住:to stem the river with a dam筑坝拦河to stem the enemy attack挡住敌方的进攻3.■堵塞住,塞住(洞穴、接头等);密封:to stem a hole塞住洞穴to stem the gas pipe with a plug用塞子密封住煤气管道4.■逆…而行,顶着…而上:to stem the wind逆风而上5.■[苏格兰英语]止住(流血)6.■【滑雪】转动(滑雪屐)以停止滑行vi.1.■止住,停止;堵塞:The rain has stemmed.雨已经停了。2.■逆流而上:to stem up the stream逆流溯源3.■【滑雪】转动滑雪屐以停滑(或减速)n.1.■阻挡物;堵塞物;堤坝2.■【滑雪】转动滑雪屐的动作变形vt.stemmedstemming
stemstem[stem]n.1.■【植】茎, 干, 花梗, 叶柄2.■(工具的)柄, 把, (表的)转柄3.■高酒杯的脚, 烟斗柄, 鸦片烟枪4.■种族, 血统, 家系5.■一串香蕉6.■[pl. ][美俚]腿7.■[美俚]主要大街8.■【动】羽轴9.■【语】词干10.■【化】母体11.■【航海】船头12.■【无】电子管心柱, 晶体管管座13.■【音】符尾