Concentrator switchboard
[电] 集线交换台
🧩 词语组成解析
concentrator
['kɒnsenˌtreɪtə]
n. 集中器;集线器;
switchboard
['switʃbɔ:d;'switʃˌbəurd]
n. 配电盘;电话交换机;
🗣️ 情景例句
OK, and go out and have a drink to congratulate ourselves.
对，再出去喝一杯以示庆祝。
You're sure of passing the exam if you work hard.
只要用功，主汪定能考及格。
When I was a teenager, I felt that I was just young and uncertain --
我十几岁时，总感到自己年轻，有些事拿不准 --