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
Yes. I wonder if you can send up some of boiling water for me.
是的，你可以送点开水上来吗？
This is my first year of college . I'm a freshman.
这是我的大学第一年。 我是一个大一学生。
I doubt if he'll be asked to speak again next year.
我怀疑明年是否还会邀请他作报告。