語彙

useful

形容詞

例文: “This app is very useful.”

類義語: helpful

反意語: useless

utility

名詞

例文: “This tool has great utility.”

類義語: usefulness, value

反意語: uselessness

consultant

名詞

例文: “The consultant gave useful advice.”

類義語: advisor, expert

反意語: client

mathematics

名詞

例文: “Mathematics is useful.”

類義語: math

反意語: literature

profession

名詞

例文: “Teaching is a useful profession.”

類義語: job, occupation

反意語: hobby

insurance

名詞

例文: “Health insurance can be useful.”

類義語: protection plan

反意語: risk

analysis

名詞

例文: “The analysis is useful.”

類義語: study, examination

反意語: guess

website

名詞

例文: “This website is useful.”

類義語: site, web page

反意語: offline page

resource

名詞

例文: “This website is a useful resource.”

類義語: material

ornamental

形容詞

例文: “The garden includes ornamental trees.”

類義語: decorative, fancy

反意語: functional, plain

tip

名詞

例文: “Here is a useful tip for learning faster.”

類義語: hint, suggestion

反意語: mistake

biotechnology

名詞

例文: “Biotechnology is changing modern medicine.”

類義語: biotech

反意語:

scale

名詞

例文: “This map has a useful scale.”

類義語: measure, size system

反意語:

site

名詞

例文: “This site has many useful lessons.”

類義語: place, webpage

反意語:

utilitarian

形容詞

例文: “The building is functional but aggressively utilitarian.”

類義語: practical, functional

反意語: decorative, ornamental

contraption

名詞

例文: “He built a strange contraption out of spare parts.”

類義語: device, gadget

反意語:

abstraction

名詞

例文: “The theory is useful, but it remains an abstraction for most people.”

類義語: concept, generalization

反意語: concreteness, reality

vain

形容詞

例文: “All their efforts were in vain.”

類義語: useless, fruitless

反意語: successful, useful

plus

前置詞

例文: “The main plus of this phone is the battery life.”

類義語: advantage, added to

反意語: minus, disadvantage

superfluously

副詞

例文: “The document was superfluously long and hard to scan.”

類義語: unnecessarily

反意語: essentially

handy

形容詞

例文: “This small bag is handy for travel.”

類義語: useful

反意語: useless

useless

形容詞

例文: “The tool is useless now.”

類義語: pointless

反意語: useful

redundant

形容詞

例文: “Several steps in the process were redundant and removed.”

waste

/weɪst/

例文: “Don’t waste your time.”

類義語: desolate, wild, languish

反意語: conserve, husband, economize

value

/ˈvæljuː/

例文: “This feature adds value to the product.”

類義語: esteem, assess, appraise

反意語: disesteem, disrespect

provide

/prəˈvaɪd/

例文: “The course provides useful materials.”

類義語: render, supply, ply

feature

/ˈfiːtʃər/

例文: “This app has a useful feature.”

類義語: characteristic, have, boast

反意語: miss, lack