心管的发生是心脏发育早期最重要的事件之一。

Heart tube formation is one of the most important events in the early heart development.

youdao

治疗前有原始心管搏动者并不是保守治疗的禁忌症。

Being fetal heart beat was not the contraindication for conservative treatment of EP.

youdao

当时余心之悲，盖不能以寸管形容之。

Alas! Who would know the indescribable sorrow in my heart?

youdao

当时余心之悲，盖不能以寸管形容之。

Who would know the indescribable sorrow in my heart?

youdao

当时余心之悲，盖不能以寸管形容之。

Who would know the indescribable sorrow in my heart?

youdao