Concentric cable
[电] 同心电缆
🧩 词语组成解析
cable
['kebl]
n. 缆绳，绳索;[电学]电缆;（系船用的）缆绳;（船只、桥梁等上的）巨缆;
vt. 发电报至;电传;固定系牢;
vi. 拍发电报;
🗣️ 情景例句
How are you getting along?
近来如何？
By doing nothing we learn to do ill.
懒散学为非。
Yes. You have to practise a lot.
是的，你得大量的练习。