Qrst interval
[医] Q-T间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
What kind of advice are you looking for?
希望能得到什么建议？
One usually pricks up one's ears when his name is called.
人在被叫到自己的名字时，通常要侧耳倾听。
Did he telephone again?
他又打了没有？