Directional emitter
[化] 定向发射体
🧩 词语组成解析
directional
[[di'rekʃənəl]]
a. 方向的
n. 发射体, 发射极\\n[计] 发射极; 发射器
🗣️ 情景例句
You won't believe this.
你会觉得难以置信。
I don't know him well.
我跟他不熟。
To do this, he must be at least as knowledgeable as the dealer.
要做到这一点，他至少要像古董商一样懂行。