Thermionic activity
[化] 热离子活度
🧩 词语组成解析
a. 热离子的\\n[电] 热离
🗣️ 情景例句
Oh, that's not all.
噢， 还没完呢。
I'll pick up ticket at the airport counter.
我会在机场柜台拿机票。
Light the fire not so near the entrance that the wind will blow the fire out, and not so far in that the smoke will fill the cave, said my brother.
“不要太靠近洞口点火，风会把火吹灭的；也不要太靠里面，那样烟会充满山洞的，”我弟弟说，