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
Is there a credit plan available?
我可以分期付款吗？
Yes, she's free then.
可以，她那时有空。
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。