Qrst interval
[医] Q-T间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
I could never sneak into the movies, that's just like stealing.
我不能偷偷溜进电影院，那跟偷东西没有区别。
If he had only had enough money,he would have bought that house.
如果他仅仅有了足够的钱，他就会买那房子。
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，