英语语法分析

Objective To explore the causes and prognosis of interventricular septum defect (VSD) with complicated mitral re-gurgitation (MR) in children.

目的探讨小儿室间隔缺损（VSD）并二尖瓣返流（MR）的病因及预后。

Chinese Gardens have irregular layout, density and spacing, far and near, with garden in garden. Variational space sequences become gurgitation and constringency of the rhythm.

园林中的参差布局，虚实对比，组成园中有园，变化的空间序列成为旋律上的起伏收敛。