Stereovectorelectrocardiogram
(=SVEC)立体向量心电图
🗣️ 情景例句
I just received your letter and I want to let you know my opinion on your plans for the future.
来信已收到，我想告诉你我对你将来打算的看法。
Bitter pills may have wholesome effects.
良药苦口利于病。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。