Electric alternation
[醫] 心電交替
?? 詞語組成解析
electric
[i'lektrik]
adj. 電的，帶電的;發電的，導電的;令人激動的;電動的;
n. 電動車輛;帶電體;
alternation
[??:lt?:'nei??n]
n. 交替，輪流，間隔;交替工作;更迭;變換;
??? 情景例句
Lots of people want their taxes
許多人希望他們繳的稅金
It's no use pumping a dry well.
徒勞無益。
His work starts at half past eight, and finishes at a quarter to five.
30開始工作，4：45下班。