Vectorcardiographic
心电向量描记法的
🗣️ 情景例句
Bring a blanket and my medical bag.
拿一条毯子和我的医疗箱来。
Where do you have your lunch?
你在哪儿吃午饭？
Often the little words have meanings of their own.
这些小词常常都有自己本身的意思。