Three-phase system
[计] 三相制
🧩 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
Come over to my place at you convenience.
方便时请来我处。
The little boy left home for his first day at school.
那个小孩第一天离开家去上学。
He was just able to lie down on the ground, but could not stand up.
他只能躺在地上，但不能站起来。