顾老师英语课堂

专业解析英语词汇 | 发音+意思+用法一站式教学

近义词解析:照射

📚 中文意思

1. illuminate(照明,照亮)

The street was illuminated by bright lights.
街道被明亮的灯光照亮

2. irradiate(辐射照射)

The food was irradiated to kill bacteria.
食物经过辐射照射以杀死细菌。

3. shine(发光,照耀)

The sun shines brightly in summer.
夏天太阳照耀得格外明亮。

4. beam(发射光束)

The lighthouse beams light across the sea.
灯塔发射光束穿过海面。

💡 顾老师提示:"照射"的不同近义词侧重不同:illuminate强调照明效果,irradiate特指辐射,shine侧重自然光源,beam则强调定向发射。

🔊 发音指导

illuminate:/ɪˈluːmɪneɪt/ [ɪˈluːmɪneɪt]

irradiate:/ɪˈreɪdieɪt/ [ɪˈreɪdieɪt]

shine:/ʃaɪn/ [ʃaɪn]

beam:/biːm/ [biːm]

发音要点:

  • illuminate:重音在第二个音节,注意"lu"发长音/uː/
  • irradiate:重音在第二个音节,"rra"连读
  • shine:单音节词,注意"sh"发音
  • beam:注意长音/iː/,结尾闭唇音/m/

中文谐音参考:

illuminate:伊-路-米-内特

irradiate:伊-瑞-迪-诶特

shine:晒恩

beam:比姆

💡 顾老师纠音:常见发音错误:

  • 错误1:把illuminate读成"illu-minate"(正确:[ɪˈluːmɪneɪt]
  • 错误2:忽略irradiate中的双"r"发音
  • 错误3:把beam读成"bim"(应为长音/iː/)

🎯 用法总结

1. illuminate + 物体/场所 → 提供照明

The museum is illuminated at night.
博物馆夜晚被照亮

2. irradiate + 物体 → 用辐射处理

The medical equipment was irradiated.
医疗设备经过辐射照射消毒。

3. shine + on/upon + 物体 → 光线照射

The moonlight shines on the lake.
月光照耀在湖面上。

4. beam + 光线 + at/to + 目标 → 定向发射

The satellite beams signals to Earth.
卫星向地球发射信号。

语法注意:

  • illuminate:及物动词,可直接接宾语
  • irradiate:常用于被动语态
  • shine:不规则动词(shine-shone-shone)
  • beam:可作名词表示"光束"

📝 随堂练习

1. 朗读并翻译:

"The sun irradiates the earth with light and heat."

2. 听录音跟读:

illuminate:[ɪˈluːmɪneɪt] → The lamp illuminates the room.

beam:[biːm] → The laser beams at the target.

3. 改错:找出发音错误

学生读:[ˈɪrædɪeɪt](错误:重音位置和元音发音)

正确:[ɪˈreɪdieɪt]