Leddicon
铝靶管, 氧化铝视象管, 雷迪康管
🗣️ 情景例句
I have a new puppy and he has an excellent temperament.
我有只新的小狗，它的脾气很好。
I have great difficulty in understanding him.
我觉得很难理解他。
A bad workman quarrels with his tools.
手艺差的工人总是抱怨工具不好使。