A-c directional overcurrent relay
[电] 交流方向性超流断电器
🧩 词语组成解析
directional
[[di'rekʃənəl]]
a. 方向的
[化] 过载电流
relay
[rɪ'lɛi]
n. 接替人员，替班;传递;接力赛;继电器;
vt. 转播，传达;用驿马递送，使接替;分程传递;
🗣️ 情景例句
To enjoy the simple things in life ...
享受人生乐趣……
An ill marriage is a spring of ill fortune.
不良的婚姻是恶运的来源。
As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape.
由于全国动物园没有一家报告丢了美洲狮，因此那只美洲狮一定是某位私人收藏豢养的，不知怎么设法逃出来了。