Their observations laid the ground work for our present understanding of the universe.
他们的观测给我们现代对宇宙的了解打下了基础。
There is a lot of ground work to do.
还有好多预备工作要做。
For digging holes of construction ground work, chasm digging and mud, sand. Coal. gravel loading.
建筑地基的基坑挖掘、深坑挖掘及泥、沙、煤、碎石的装载。
The ground-work of all happiness is health.
身体健康是一切幸福的基础。
The ground-work of all happiness is health.
身体健康是一切幸福的基础。
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