Optoelectronic device
[计] 光电子器件
🧩 词语组成解析
[计] 光电子的
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
The whole world knows that.
那个事人人皆知。
She walked slowly into the hall and at once noticed that all the room doors were open,
她慢慢地走进前厅，立即发现所有的房门都敞开着，