Phototube cathode
[電] 光電管陰極
?? 詞語組成解析
n. 光電管\\n[醫(yī)] 光電管
cathode
[['k?θ?ud]]
n. 陰極\\n[化] 陰極
??? 情景例句
All right.
還好呢。
His classical music is so quiet. I can't even hear it!
他的古典音樂幽靜得聽不見。
So one's circle of friends grows.
朋友的圈子就這樣不斷擴大。