Thermionic triode
[电] 热阴极电子管
🧩 词语组成解析
a. 热离子的\\n[电] 热离
n. 三极管\\n[化] 三极管
🗣️ 情景例句
It's Zhao, Z-H-A-O.
姓赵，Z-H-A-O。
Who said that?
谁说的？
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。