傲游中如何更快地查词?
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更详细解释?进入新版小D英语词典»
essential
英
[i'senʃəl]
美
[ɪ'sɛnʃəl]
a.
1.必要的,必不可少的
2.本质的,基本的
3.提炼的,精华的
n.
1.要素,要点
2.本质,实质
a.
1.必要的,必不可少的
2.本质的,基本的
3.提炼的,精华的
n.
1.要素,要点
2.本质,实质
名 词:
essen'tial'ity
,
essen'tialness
副 词:
essen'tially
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同反义词
同:
[
n.
]
necessary
,
necessity
,
requirement
,
requisite
[
a.
]
all important
,
crucial
,
indispensable
,
substantive
反:
[
n.
]
inessential
,
nonessential
[
a.
]
adjective
,
inessential
,
procedural
,
unessential
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词义辨析
basic,
essential,
fundamental,
radical,
vital
这些形容词均有“基本的,基础的”之意。
basic
普通用词,指明确、具体的基础或起点。
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。
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。
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。
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参考例句
Again, feedback is
essential
for avoidance of similar problems in the future.
同样,为避免将来发生类似问题,反馈信息很重要。
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elimination of the
essential
differences between mentaland manual labour.
脑力劳动和体力劳动之间本质差别的消失。
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These inputs shall include other requirements
essential
for design and development.
这些输入应包括设计和开发所必需的其他要求.
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It is
essential
to use a new gasket each time the connection is tightened because the softened nickel washer becomes hardened after each compression.
因为在每次压缩之后软化的镍垫圈会变硬,每次接头上紧时必须使用新衬垫。
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Fibroin:an insoluble white protein that is the
essential
component of raw silk and spider-web filaments.
〞丝蛋白:一种不能溶解的白色蛋白质,是生丝及蜘蛛网丝的基本成分.〞
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常用短语
essential amino acid
必需氨基酸,必需的氨基酸
essential hypertension
本质性高血压,原发性高血压,特发性高血压
essential oil
精油,香精油
essential thrombocytopenia
原发性血小板减少症, 特发性血小板减少性紫癜
essential condition
【法】 必要条件
essential tremor
【医】 特发性震颤
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英英解释
名词解释:
anything indispensable
food and shelter are necessities of life
the essentials of the good life
allow farmers to buy their requirements under favorable conditions
a place where the requisites of water fuel and fodder can b
[同]
essential
,
necessary
,
necessity
,
requirement
,
requisite
[反]
inessential
,
nonessential
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形容词解释:
basic and fundamental
the essential feature
[反]
inessential
,
unessential
being or relating to or containing the essence of a plant etc
essential oil
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defining rights and duties as opposed to giving the rules by which rights and duties are established
substantive law
[同]
essential
,
substantive
[反]
adjective
,
procedural
absolutely necessary; vitally necessary
essential tools and materials
funds essential to the completion of the project
an indispensable worker
[同]
essential
,
indispensable
of the greatest importance
the all-important subject of disarmament
crucial information
in chess cool nerves are of the essence
[同]
crucial
,
essential
,
all important
,
all-important
,
of the essence
absolutely required and not to be used up or sacrificed
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