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
He's still not used to life in the city.
他仍然没有适应城市生活。
Just tell me what you'd like me to do.
你要我做什么就请你吩咐吧。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。