Fiberoptronics
纤维光电子学
🗣️ 情景例句
Nowadays many people go traveling for the holidays.
下面许多人都在假期里去度假。
He that has a full purse never wants a friend.
只要袋里有，不愁没朋友。
Winter is a cold season.
冬天是一个，寒冷的季节。