Photoelectrons
n. 光電子
??? 情景例句
Where's the bag with the chicken salad sandwiches?
放雞肉沙拉三明治的袋子在哪？
You give me the money. I'll get you the goods.
一手交錢，一手交貨。
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依賴這種研究的很多工藝程序是在完全保密的情況下進行的，直到可以取得專利權的階段為止。