radical
根本的,基本的;激进的;彻底的;[植]根生的
激进分子;根基,原子团;[数学]根数;
变形
复数:radicals
双语释义
- 根本的,基本的; 彻底的,完全的 having wide and important effects; thorough and complete
- 激进的,激进派的 in favor of thorough and complete political change
英英释义
radical[ 'rædikəl ]
- n.
- (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
同义词:groupchemical group
- an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
"in the body free radicals are high-energy particles that ricochet wildly and damage cells"
同义词:free radical
- a person who has radical ideas or opinions
- a character conveying the lexical meaning of a logogram
- a sign placed in front of an expression to denote that a root is to be extracted
同义词:radical sign
- (linguistics) the form of a word after all affixes are removed
同义词:rootroot wordbasestemtheme
- (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
- adj.
- (used of opinions and actions) far beyond the norm
"radical opinions on education"
同义词:extremistultra
- markedly new or introducing radical change
"radical political views"
同义词:revolutionary
- arising from or going to the root
"a radical flaw in the plan"
- of or relating to or constituting a linguistic root
"a radical verb form"
- especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem
"radical leaves"
同义词:basal
- (used of opinions and actions) far beyond the norm
词汇搭配
- radical measures激进的手段
- radical policies激进的政策
词组短语
free radical[化]自由基;游离基
radical polymerization游离基聚合;游离基引发聚合反应
radical mastectomy n. 根治性乳房切除术
radical operation根治手术
free radical polymerization自由游离基(引发)聚合
sulfate radical硫酸根
radical prostatectomy根治性前列腺切除术
acid radical n. 酸基,酸根
radical scavenger游离基清除剂
free radical reaction自由基反应
同近义词辨析
这组词都有“基本的,基础的”的意思,其区别是:
vital正式用词,侧重指维持生命、活力必不可少的,或生死攸关的。
essential语气比basic和fundamental强,强调必不可少,暗含某物如缺少某部分,则失去本质特征的意味。
basic普通用词,指明确、具体的基础或起点。
fundamental书面用词,不如basic使用广泛,侧重指作为基础、根本的抽象的事物。
radical着重指事物的根本或其来源。
双语例句
- I know you are radical in your thinking, but don't go too far.
我知道你思想激进,但不要走的太远。 - He took up a radical position on this issue.
他对这个问题抱着激进的态度。 - They called for a radical reform of our tax system.
他们要求对税收制度进行根本改革。 - Lambert did not reach the more radical conclusion.
兰伯特还没有达到更本质的结论。
- Ted is a fire-eating radical.
泰德是个咄咄逼人的激进份子。