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
Been healthy lately?
最近健康吗？
Carol would like to eat Italian pizza.
卡罗尔喜欢吃意大利馅饼。
Hello, Wei Hua! Where are you going?
你好，魏华！上哪儿去呀？