R-r interval
[医] R-R间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
Why should you be sorry?
你何必说对不起呢？
Are you a native Chinese?
你是土生土长的中国人吗？
On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital.
当人们急切地看完正文后，便知道这位女子是个打字员，办公室打字机的声音使她越来越烦恼，最终住进了精神病医院。