Optical emitter
[计] 光发射体
🧩 词语组成解析
n. 发射体, 发射极\\n[计] 发射极; 发射器
🗣️ 情景例句
The taxi zone is right on the left corner over there.
出租车站台就在左边转角处。
How did you get there?
你怎么去的？
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。