Emitter barrier
[电] 射极区障壁
🧩 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
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
No problem. How much?
没问题，你要多少？
He was smiling hopefully.
他满怀希望地微笑着。