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
Hold on. Wait a minute, please.
等等。请稍等一下。
The heart sees further than the head.
心之所见远胜于目。
Audiences in the second decade of the twentieth century found it pleasant to escape to a time when life, though hard, was relatively simple.We still do;