Electrical alternation ot beart
[医] 心电交替
🧩 词语组成解析
alternation
[ˌɔ:ltə:'neiʃən]
n. 交替，轮流，间隔;交替工作;更迭;变换;
abbr. 加班（Overtime ）；圣经旧约（Old Testament）；职业疗法（Occupational therapy）
🗣️ 情景例句
Oh, you think you're going to have a hard time
你认为需要大费周折
What is this?
这是什么？
The trickle became a stream; the stream has now become a torrent.
涓涓细流汇成小溪，小溪现已变成了奔腾的江河。