R-r interval
[医] R-R间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
You'll feel better after a good night's sleep.
你好好睡上一觉就会好些。
Not use hiding your heads in the sand, folks.
各位，逃避现实是没有用的。
We'll have to talk this over some more.
这件事我们得好好地再谈一谈。