Photion
充气光电二极管
🗣️ 情景例句
African athletes are good at track and field events.
非洲选手擅长田径项目。
This is my third year of college, I'm a junior.
这是我上大学的第三年，我是三年级学生。
She was not especially pretty. But she was extremely bright.
她不是特别漂亮，但她极聪明。