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
A dollar is valued at eight point two RMB yuan.
一美元价值8.2元人民币。
As a man's heart is, so does he speak.
言为心声。
A few days later about 140 black people were taken and put on a tall sailing ship waiting off the coast.
几天以后，大约140名黑人被带到一艘停靠在海岸边的大帆船上。