upgrade

アップグレード

特にコンピューターで、古い部品などに代えて使う新しい物や性能の良い物。

やさしい英語で： A newer or better part or item added to replace an older one, especially in a computer.

• The computer needs a memory upgrade.
• I installed an upgrade yesterday.
• This upgrade makes the system run faster.

類義語： replacement, update

よく使う表現： memory upgrade, software upgrade, install an upgrade

改善、グレードアップ

何かを以前より良くする変更。

やさしい英語で： A change that makes something better than it was before.

• They gave us a free upgrade.
• The new kitchen is a major upgrade.
• Would you like an upgrade to first class?

使い方： an upgrade to something (We received an upgrade to a larger room.)

類義語： improvement

反対語： downgrade

よく使う表現： room upgrade, free upgrade, major upgrade

アップグレードする、新調する

何かを、より新しい物やより良い物に取り替える。

やさしい英語で： To replace something with a newer or better version.

• I need to upgrade my phone.
• We upgraded our office computers last year.
• Are you planning to upgrade to a newer model?

使い方： upgrade something to something (We upgraded our old phone to a newer model.); upgrade to something (She upgraded to a better camera.)

類義語： replace, modernize

反対語： downgrade

よく使う表現： upgrade a phone, upgrade your computer, upgrade to something

改良する、性能を上げる

部品を加えたり取り替えたりして、何かをより良くする。

やさしい英語で： To improve something, often by adding or replacing parts.

• They upgraded the heating system.
• The town is upgrading its sports facilities.
• Adding memory can upgrade an older computer.

類義語： improve, modernize

反対語： downgrade

よく使う表現： upgrade the system, upgrade equipment, upgrade local facilities

アップグレードする、更新する

コンピューターのプログラムを、同じプログラムの新しい版に替える。

やさしい英語で： To replace a computer program with a newer version of that program.

• Please upgrade your browser.
• I upgraded the software this morning.
• Have you upgraded to the latest version?

使い方： upgrade from something to something (We upgraded from version three to version four.)

類義語： update

反対語： downgrade

よく使う表現： upgrade the software, upgrade your browser, upgrade to something