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单词 tier
释义
tier
(once / 1239 pages)
1n 2n 3n

A tier is a level or a layer. If you sit in the top tier of seats at a concert, you can see the whole stage and most of the audience — but you probably have to climb lots of stairs.
A tier can describe a layer of ruffles on a dress, a section of seats in a stadium, or one layer of a fancy cake. You could also talk about a tier in terms of value or position. For example, the most popular, well-known actors might be considered part of the top tier, getting all the best parts. Tier originated from the Old French word tire: rank, sequence, or order.
WORD FAMILY
tier: tiers+/retie: retied, reties, retying/tie: retie, tied, tier, ties, tying, untie/tying: tyings/untie: untied, untier, unties, untying
USAGE EXAMPLES
The first of four state-regulated casinos planned for upstate opened in December in the state’s Southern Tier.
Washington Times(Dec 31, 2016)
Rangers scrambled back up the four-division league pyramid to the top tier this season.
Washington Times(Dec 31, 2016)
The top tier is the Ultimate Fighting Championship – generally called the UFC – and it’s a business worth several billion pounds.
BBC(Dec 29, 2016)
1
1n one of two or more layers one atop another
tier upon tier of huge casks
a three- tier wedding cake
Hyper
bed, layer
single thickness of usually some homogeneous substance
2n a relative position or degree of value in a graded group
Syn|Hypo|Hyper
grade, level
biosafety level
the level of safety from exposure to infectious agents; depends on work practices and safety equipment and facilities
A level
the advanced level of a subject taken in school (usually two years after O level)
GCSE, General Certificate of Secondary Education, O level
the basic level of a subject taken in school
college level
the level of education that college students are assumed to have attained
biosafety level 1
exposure only to infectious agents that do not ordinarily cause human disease
biosafety level 2
exposure to infectious agents that can cause disease in humans but whose potential for transmission is limited
biosafety level 3
exposure to infectious agents that can be transmitted by the respiratory route and which can cause serious infection
biosafety level 4
exposure to exotic infectious agents that pose a high risk of life-threatening disease and can be transmitted as an aerosol and for which there is no vaccine or therapy
rank
relative status
2
n any one of two or more competitors who tie one another
Hyper
challenger, competition, competitor, contender, rival
the contestant you hope to defeat
3
1n a worker who ties something
Syn|Hyper
tier up
worker
a person who works at a specific occupation
2n something that is used for tying
the sail is fastened to the yard with tiers
Hyper
rope
a strong line
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更新时间:2025/3/25 16:14:59