Variable-capacitor
[电] 可变电容器
🧩 词语组成解析
🗣️ 情景例句
There's a phone number --
这有电话号码，
You can't get it any cheaper than this.
这再便宜你就买不到了。
Summer is from December to February, and winter is in June, July and August.
夏天从12月到2月，冬天是在6月、7月和8月。