ac
ti
vate
第三人称
activates
现在进行时
activating
过去式
activated
过去完成时
activated
1
激活, 启动
to make something such as a process, piece of equipment, etc. start working
及物动词
- He activated the alarm system before leaving the house.
他离开房子前激活了警报系统。
- The technician activated the newly installed software on the computer.
技术员激活了电脑上新安装的软件。
- She activated the sprinkler system to water the garden.
她启动了洒水系统来浇灌花园。
- They are activating the emergency generator as we speak.
他们正在启动应急发电机,就在我们说话的时候。
- The manager activated the emergency protocol to evacuate the building.
经理激活了紧急协议以疏散大楼。
2
激活, 刺激
to stimulate or promote growth, activity, or action in something
及物动词
- She activated her metabolism by exercising regularly.
她通过定期锻炼激活了她的新陈代谢。
- The new policy activated the economy, leading to increased job creation.
新政策激活了经济,导致就业机会增加。
- The medication is designed to activate the immune system's response.
这种药物旨在激活免疫系统的反应。
- They activated the program to boost student engagement in learning activities.
他们激活了该计划以提高学生在学习活动中的参与度。
- The hormones activated the plant's growth during the spring.
激素在春天激活了植物的生长。
反义词:
3
激活, 使具有放射性
(physics) to make a substance radioactive
及物动词
- Scientists can activate certain materials to make them radioactive for research purposes.
科学家可以激活某些材料,使其具有放射性以用于研究目的。
- To activate the sample, the scientists placed it in a reactor.
为了激活样品,科学家将其置于反应堆中。
- Activating materials can help in studying their properties in a radioactive state.
激活材料可以帮助研究其在放射性状态下的特性。
- Safety measures are important when activating substances to prevent exposure.
激活物质时,安全措施对防止暴露很重要。
4
激活, 通气
to add air to organic matter to speed up its breakdown process
及物动词
- The farmer activated the manure heap with a tool designed to mix in air.
农民用一个设计用来混合空气的工具激活了粪堆。
- Activating the compost regularly helps speed up the decomposition process.
定期激活堆肥有助于加速分解过程。
- The machine was used to activate the organic material by pumping air into it.
该机器用于通过向有机材料中泵入空气来激活它。
- She activated the pile by turning it over to improve oxygen circulation.
她通过翻转堆肥来激活它,以改善氧气循环。
- The decomposition process accelerated after they activated the compost heap.
在他们激活了堆肥堆后,分解过程加速了。
同义词:
5
激活, 刺激
to process a substance to enhance its ability to absorb materials
及物动词
- The scientists activated the carbon to make it more effective in filtering water.
科学家们激活了碳,使其在过滤水时更有效。
- The process of activating carbon involves removing impurities to improve adsorption.
活化碳的过程包括去除杂质以提高吸附能力。
- Before using it in the lab, they activated the carbon to ensure maximum efficiency.
在实验室使用之前,他们激活了碳以确保最大效率。
- They activated the alumina by heating it to increase its adsorptive capacity.
他们通过加热氧化铝来激活它,以增加其吸附能力。
- The team activated the filter material to improve its ability to trap contaminants.
团队激活了过滤材料以提高其捕获污染物的能力。