Thermionic
a. 热离子的\\n[电] 热离
📖 牛津释义
thermionic
adj
of that branchof physics that deals with the emission of electrons at high temperatures 热离子学的.
🗣️ 情景例句
Will your family be attending the graduation ceremony?
你的家人要来参加你的毕业典礼吗？
He brushes his teeth.
他在刷牙。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。