Three-phase circuit
[电] 三相电路
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
🗣️ 情景例句
May I have your name and number, please?
请问你的姓名和电话号码？
I've made a reservation at the hotel you used last time.
我已预订了你上次住过的旅馆。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。