Thermionic cathode
[电] 热离子阴极
🧩 词语组成解析
a. 热离子的\\n[电] 热离
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
He knows everything about the production schedule,
他知道生产进度的一切情况，
The evil wound is cured but not the evil name.
重伤可治，臭名难除。
'Will you be spending your holidays abroad this year?' I asked.
“您今年去国外度假吗？”我又问。