Thermionic grid emission
[电] 热离子栅极发射
🧩 词语组成解析
a. 热离子的\\n[电] 热离
grid
[ɡrɪd]
n. 格子，非实质的;地图上的坐标方格;（输电线路、天然气管道等的）系统网络;
🗣️ 情景例句
I read when I have the chance.
我有空时喜欢读书。
What are you looking at? Never seen this before.
看什么看？没看过啊！
at any rate for short periods -- that running, jumping and kicking a ball are tests of national virtue.
至少在短期内如此 -- 跑跑、跳跳、踢踢球是对一个民族品德素质的检验。