P-r interval
[医] P-R间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
Oh, thank you.
谢谢你。
Look before you leap.
三思而后行。
where wild rabbits are not generally regarded as a pest but as a sport and a useful food supply,
野兔在法国一般不被当作有害动物，而被视为打猎取乐的玩物和有用的食物来源。