Pentagrid tube
[电] 五栅管
🧩 词语组成解析
n. 五栅管, 七极管
🗣️ 情景例句
the one that Daddy wanted you to wear.
爸爸要你穿的那一套。
John had a rough time last night.
约翰昨晚好像挺轰轰烈烈的样子。
Fortunately people want to come and hear me play, but I am getting very tired of travelling.
幸运的是，人们都想来听我演奏，但是我对旅行感到厌倦了。