Stem
01
茎
the main part of a plant that connects the roots to the twigs, leaves, and flowers
例子
The scientist examined the stem under a microscope to study its structure and how it conducts nutrients.
科学家在显微镜下检查了茎，以研究其结构以及它如何传导养分。
After picking the herbs, she removed the stems and used the leaves for cooking.
采摘草药后，她去掉了茎，用叶子来烹饪。
02
(in linguistics) the base form of a word after removing affixes
例子
In " unhappiness, " the stem is " happy. "
Linguists analyze stems to understand word formation.
03
a long, narrow, or cylindrical part of an object or mechanism
例子
He replaced the broken stem of his wine glass.
The stem of the watch connected the crown to the gears.
04
a type of turn in skiing made by angling one ski outward while the other remains straight
例子
He practiced the stem to control his speed on steep slopes.
Beginners learn the stem before moving to parallel turns.
05
the forwardmost part of a ship or aircraft, forming its leading edge or prow
例子
The ship 's stem cut cleanly through the waves.
The aircraft 's stem showed minor damage after landing.
06
the hollow shaft of a smoking pipe connecting the bowl to the mouthpiece
例子
He cleaned the pipe 's stem after every use.
Smoke curled through the stem as he exhaled.
07
美腿, 腿
a person's leg, often used playfully or in casual conversation
Slang例子
She has long, toned stems that look amazing in those shorts.
她有一双修长、健美的腿，穿那条短裤看起来棒极了。
He kicked the ball with both stems.
他用两条腿踢了球。
to stem
例子
The rise in inflation can often stem from increased demand for goods and services without a corresponding increase in supply.
通货膨胀的上升往往源于对商品和服务的需求增加而没有相应的供应增加。
The environmental degradation in the area stems from unsustainable logging practices and deforestation.
该地区的环境退化源于不可持续的伐木做法和森林砍伐。
02
阻止, 遏制
to stop something, particularly something undesirable, from developing or spreading
Transitive: to stem an undesirable action or event
例子
Quick action to quarantine affected individuals helped stem the spread of the contagious disease in the community.
迅速采取行动隔离受影响的个人有助于遏制传染性疾病在社区中的传播。
The timely intervention of firefighters helped stem the wildfire.
消防员的及时干预有助于遏制野火。
03
阻止, 遏制
to restrain, obstruct, or halt the movement or flow of a liquid
Transitive: to stem the flow of a liquid
例子
The plumber worked quickly to stem the flow of water from the burst pipe.
水管工迅速工作以阻止爆裂管道中的水流。
Emergency crews used sandbags to stem the rising floodwaters and protect homes in the low-lying areas.
紧急救援人员使用沙袋来阻止不断上涨的洪水，并保护低洼地区的房屋。
04
去梗, 摘除茎部
to extract or cut away the central supporting structure, typically of fruit or tobacco leaves
Transitive: to stem fruit or tobacco leaves
例子
Before making a fruit salad, it 's necessary to stem the strawberries to remove the tough central core.
在制作水果沙拉之前，有必要去蒂草莓以去除坚硬的中央核心。
In wine production, grapes are stemmed to separate the juicy berries from the woody stems before the crushing process.
在葡萄酒生产中，葡萄在压榨过程之前被去梗，以将多汁的浆果与木质茎分开。
STEM
01
STEM, 专注于科学、技术、工程和数学的研究领域和职业
fields of study and careers that focus on science, technology, engineering, and mathematics
例子
She is pursuing a degree in STEM to become an engineer.
她正在攻读STEM学位以成为一名工程师。
Many schools offer special programs to encourage students to explore STEM subjects.
许多学校提供特殊课程以鼓励学生探索STEM科目。
词汇树
stemless
stemmatic
stem
