Electrical axis of heart
[医] 心电轴
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
heart
[hɑrt]
n. 心，心脏;感情;要点;胸部;
vt. 鼓励;激励;
vi. 结心;
🗣️ 情景例句
When did the Roman Empire come into being?
罗马帝国是什么时候形成的？
Could you please give me the departure time?
你能告诉我出发的时间吗？
The English and Maths papers weren't easy enough for me.
英语和数学试题对我来说不很容易。