Wehnelt cathode
[电] 卫耐耳特阴极
🧩 词语组成解析
[医] 韦内(X线硬度单位,X线穿透力单位)
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
She's unhappy
她很不高兴。
Who is the head of this government?
谁是这政府的首长？
I asked a passenger if this was the Westhaven Express, but he had not even heard of it.
我问一位乘客，这是不是开往威斯特海温的那趟快车，他说从未听说过有这么一趟快车。