Photocon
n. 光导元件, 光导器件, 光电导元件
🗣️ 情景例句
Rose-petal salad.
玫瑰花瓣沙拉。
Please be on time.
请准时到。
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。