R-r interval

[医] R-R间期(心电图)

🧩 词语组成解析

interval ['ɪntɚvl]
n. 间隔;幕间休息;（数学）区间;
inter(between)+val(wall)→间隔；距离；差异

🗣️ 情景例句

Who's the valedictorian of this class?
谁是班里优秀的毕业生？
An ill marriage is a spring of ill fortune.
不良的婚姻是恶运的来源。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，
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🔤 更多 R 开头的单词

raid the sinking fund
re-decorate
recitalist
regenerative reading
relocatable form
replacement algorithm
rev down
rifamycinoid antibiotics
全部 R 开头单词 ›