Photocathode
n. 光电阴极
🗣️ 情景例句
at the end of the semester.
就在这个学期结束的时候。
What in the world are you eating?
你到底在吃什么？
Primarily, the banker-customer relationship is that of debtor and creditor----
银行与储户的关系主要是债务人和债权人的关系。