activate

IPA/ˈæktɪveɪt/
KK[ˈæktəvˌet]IPA/ˈæktɪveɪt/

activate — 動詞

  • activatepresent simple I / you / we / they
  • activateshe / she / it
  • activatedpast simple
  • activating-ing form

1. to switch on a machine, system, or account so that it begins operating, often by

1.動詞及物B2
釋義

啟動；開通

讓裝置、系統或帳戶開始運作

to switch on a machine, system, or account so that it begins operating, often by pressing a button, entering a code, or completing a setup step.

例句

Gita pressed the red button to activate the alarm before leaving the house.

Gita 出門前按下紅色按鈕啟動警報器。

activate + physical device (alarm)

Please enter the code on the back of the card to activate your new account.

請輸入卡片背面的代碼以開通你的新帳戶。

activate + account (online services)

常見搭配
  • activate the alarm
  • activate an account
  • activate a card
  • activate a feature
同義詞
  • switch on

    everyday phrasal verb, used mostly for physical devices

  • trigger

    stresses the start of an automatic response, often without a person

  • enable

    makes a feature available, but doesn't always mean it starts running

反義詞
  • deactivate

    to switch a device, account, or feature off

  • disable

    to turn a feature off so it cannot be used

文法句型

activate + [device/system/account]

用法筆記

Subject is usually a person, signal, or condition; the object is a device, software feature, account, or safety system. Often used in the passive when describing automatic triggers.

常見錯誤

I want to active my new credit card.
I want to activate my new credit card.
'active' is an adjective; the verb is 'activate'.

2. in science, to cause a substance to react, or to speed up a chemical or biologic

2.動詞及物C1
釋義

活化；催化

用熱或光使化學反應加速進行

in science, to cause a substance to react, or to speed up a chemical or biological process, usually by applying heat, light, or another helpful agent.

例句

The students gently warmed the flask to activate the reaction between the two liquids.

學生輕輕加熱燒瓶，活化兩種液體之間的反應。

activate + reaction, by heating

Sunlight is needed to activate the chemicals that turn the leaves green in spring.

春天時，需要陽光來活化讓葉子變綠的化學物質。

activate + chemicals, light as trigger

常見搭配
  • activate the enzyme
  • activate the reaction
  • activate the catalyst
同義詞
  • catalyse

    more technical; specifically refers to speeding up by a catalyst

  • trigger

    more general; starts a reaction without saying it speeds up

反義詞
  • inhibit

    to slow down or block a chemical reaction

文法句型

activate + [substance/reaction]

用法筆記

Distinguish from sense 1: this sense is about chemical or biological change, not turning on a machine. Subject is usually a form of energy (heat, light) or an added substance; object is a reaction, enzyme, or chemical.

常見錯誤

The cook activated the kitchen to make bread.
The cook activated the yeast with warm water to make bread.
the object should be the substance or reaction, not the place.

同根字

常見搭配

名詞搭配

副詞搭配

常用片語

  • press to activate
  • scan to activate

介系詞搭配

  • activate by
  • activate with