Selective differential relay
[电] 选择差动替续器
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
differential
['dɪfə'rɛnʃəl]
adj. 差别的;特意的;[数]微分的;[机，物]差动的;
n. [数]微分;差别;工资级差;[机]差动器;
di, dif, divid 表示”分开”;”取消”,”否定”;”不同”
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
I have to go out and hand out fliers.
我要出去派传单。
What do you think will be a fair price for your product?
你认为你们产品的价格公平吗？
The instrument was bought by my grandfather many years ago.
是我祖父在很多年以前买的。