| 单词 | activate |
| 释义 | activate 🄰 vt. 1.+ mechanism, alarm, device, camera启动；使运作；+ account, number启用；激活 The alarm is automatically activated.警报器是自动启动的。 Video cameras with night vision can be activated by movement.带夜视镜的摄像机一有动静就会启动。 2.【生理】+ body, brain, enzyme激活；活化 Laughter improves respiration and activates our immune system.笑能改善呼吸并激活我们的免疫系统。 3.【军】<美>+ unit使投入服役；正式组建；+ soldier使加入现役；(部队)动员 The city has activated its emergency command centre on the West Side.该市已经动用了西区的紧急指挥中心。 The President did not anticipate any need to activate the allies' rapid reaction force.总统不曾预见到需要动用盟军快速反应部队。 4.【物】使具有放射性；放射化 5.【化】+ reaction加速；催化 Many chemical reactions require added energy in the form of heat to activate the reaction.很多化学反应需要额外的热能来催化反应。 6.【化】+ carbon, charcoal, alumina对…作活化处理；使活化 7.+ sewage(通过通风等)对…作活化处理, 使活性化 🄱 vi. mechanism, alarm, device, camera +启动；运作 The jail's generator failed to activate after the power cut.断电后, 监狱的发电机无法启动。 |
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