Selective relay

[電] 選擇性繼電器

?? 詞語組成解析

selective [si'lektiv]
adj. 精心選擇的;選擇的,不普遍的;淘汰的;
relay [r?'l?i]
n. 接替人員,替班;傳遞;接力賽;繼電器; vt. 轉播,傳達;用驛馬遞送,使接替;分程傳遞;

??? 情景例句

Have a good time.
好好玩。
My grandma is 40 years older than me.
我祖母比我大40歲。
Then I arrived home at six o'clock yesterday evening. He telephoned again.But I didn't answer the phone!
后來,我昨晚6點鐘回到家里。他又打來電話,但我沒接。
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step st?p
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