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
... and I do need some advice on a difficult problem.
……我的确有一个难题要请教你。
I'm catching the 11:00 train.
我准备赶11点火车。
sailing vessels like the Cutty Sark were used to carry tea from China and wool from Australia.
“卡蒂萨克”号之类的帆船被用来从中国运回茶叶，从澳大利亚运回羊毛。