Optronics
光电子学, 光导发光学
🗣️ 情景例句
They gave a banquet in honor of the delegation.
他们设宴招待代表团。
War is the business of barbarians.
战争是野蛮人干的事。
The Macdonalds finished supper at Macdonald's, and then bowled at the bowling alley.
麦可糖那一家在麦当劳吃过晚饭后去球馆打保龄。