Qrst interval
[医] Q-T间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
She must really miss them.
她准是很想主人。
How long have you been married?
你们结婚多久了？
Meanwhile, a number of university students have volunteered to drive buses while the strike lasts.
与此同时，有一部分大学生自愿在罢工期间驾驶公共汽车。