什么是 Photoelectric？
“Photoelectric”（光电的）是一个形容词，常用于描述与光照射到物质表面并产生电子的现象相关的内容，例如 photoelectric effect（光电效应）。该词广泛应用于物理、工程和可再生能源领域。
经典英文造句示例
- The photoelectric effect was first explained by Albert Einstein in 1905.
- Solar panels convert sunlight into electricity using the photoelectric principle.
- This experiment demonstrates how photoelectric sensors detect objects without physical contact.
- The scientist won a Nobel Prize for his work on photoelectric phenomena.
- Modern burglar alarms often use photoelectric beams to trigger alerts.
- In physics class, we studied the relationship between light frequency and the photoelectric current.
- The photoelectric cell in the automatic door responds to changes in light intensity.
常见搭配与短语
- photoelectric effect — 光电效应
- photoelectric cell — 光电管 / 光电池
- photoelectric sensor — 光电传感器
- photoelectric emission — 光电发射
- photoelectric device — 光电器件
学习小贴士
在使用 “photoelectric” 时，请注意它通常作定语修饰名词（如 photoelectric device），很少单独使用。理解其背后的物理原理有助于更自然地运用该词。