英语语法分析

The Indochina block only played a transitional boundary role.

印支地块则仅起转换边界作用；

Nearly 35 years after the fall of Saigon, America's Indochina war is not over yet.

距西贡沦陷已有35年了，而美国在中南半岛的战役远未结束。

The geologic history of the South China developed into a new stage in the Hercynian - Indochina period.

海西-印支期，华南地质构造发展进入新的阶段。