Leddicon
铝靶管, 氧化铝视象管, 雷迪康管
🗣️ 情景例句
Good night, Dad.
晚安， 爸爸。
My father is over 60 years old.
我父亲已年过六十了。
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。