时间: 2025-04-26 09:47:28
美: [stɛm]
英: [stem]
n. 干;茎;船首;血统
vt. 阻止;除去…的茎;给…装柄
vi. 阻止;起源于某事物;逆行
最后更新时间:2025-04-26 09:47:28
词源分析:Stem源自古英语“stem”,意为“支撑”或“支柱”。其词根可能与古德语中的“stam”相关。
历史背景:该词首次使用的确切历史不明,但早期文献中已有对植物结构的描述。
课本:
正式与非正式语境:
特殊场合:
The stem of the tree was thick and sturdy.
(树的茎又粗又结实。)
In linguistics, the stem is the part of a word that remains after affixes are removed.
(在语言学中,词干是去掉附加成分后剩下的部分。)
Scientists are studying the stem cells for their potential in regenerative medicine.
(科学家正在研究干细胞在再生医学中的潜力。)
The stem of the argument can be traced back to misunderstandings.
(争论的根源可以追溯到误解。)
To stem the flow of misinformation, we must verify our sources.
(为了遏制错误信息的传播,我们必须核实我们的来源。)
同义词:
反义词:
音标记忆法:/stɛm/
联想“stem”与“stand”的发音,想象一根直立的茎支撑着植物。
通过这些分析,学*者可以更全面地理解和运用“stem”这个单词。
[V-I] If a condition or problem stems from something, it was caused originally by that thing. 起源于
例:All my problems stem from drink.我所有的问题都是酗酒引起的。
[[正式]] If you stem something, you stop it spreading, increasing, or continuing. 阻止
例:Austria has sent three army battalions to its border with Hungary to stem the flow of illegal immigrants.奥地利已派遣3个营到达与匈牙利接壤的边境处,以阻止非法移民的流入。
[N-COUNT] The stem of a plant is the thin, upright part on which the flowers and leaves grow. 茎
例:He stooped down, cut the stem for her with his knife and handed her the flower.他弯下腰,用刀替她割下花茎,然后把花递给她。