Three-wire system
[计] 三线制
🧩 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;
wire
['waɪɚ]
n. 金属丝;电线;电报;（木偶的）牵线，操纵绳，背后操纵的势力，秘密引线，秘密策略;
vi. 拍电报;
vt. 拍电报;给…装电线;
🗣️ 情景例句
He's got 20/20 vision.
他的视力很正常。
I wish I could.
但愿我能。
A navy ship was in a port in Scotland for repairs.
一艘军舰停靠在苏格兰的一个码头等待维修。