Vacuum bulb
[电] 真空灯泡
🧩 词语组成解析
bulb
[bʌlb]
n. 球茎，块茎植物;电灯泡;[解剖学]肿块;
🗣️ 情景例句
Will dinner be served on this train?
火车上供饭吗？
Do you often do work during the holidays?
你常常在假日期间做工作吗？
The third item has been omitted.
第三项目漏掉了。