Phototransistor
n. 光电晶体管\\n[计] 光电晶体管
🗣️ 情景例句
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
What's your general impression,may I ask?
不知您对我们厂总的印象如何？