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
📖 同为「高中」词汇
查看全部高中词汇 ›🗣️ 情景例句
When I wake up in the morning, I go straight to the bathroom.
我早上醒了之后就直接去卫生间洗澡。
No matter what happens, don't look excited.
不管什么事情发生，你总不要显得激动。
I often go-swimming, sometimes in a lake near my home, and sometimes in the river.
我经常去游泳，有时在我家附近的湖里，有时在河里。