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
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
He lacks the necessary experience.
他缺乏必要的经验。
Suddenly, she saw a man near a bus stop.'I can ask him the way'.she said to herself.
突然，她在公共汽车站附近看到一个男人。“我可以向他问路，”她想。