Bulb apparatus
[化] 钾碱球管
🧩 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 needed that.
我正需要这个。
Everyone's ready and waiting for you.
大家都好了，就等你啦！
Do l have to
非做不可吗？