Selective photoelectric effect
[电] 选择性光电效应
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
🗣️ 情景例句
Absolutely.
绝对是真的。
I wonder what happened to him.
我不知道他出什么事了。
Doctor, I'm not feeling well, she said. I often feel tired.
“医生，我感到不舒服，”她说，“我经常感到疲倦”。