- 重点词汇
- 空间
space; room; area; volume; airspace; headroom; void; enclosure; blank; leeway; elbow room; gap; place; berth; capacity; scope; territory; zone; spatial; space-related
- 开通
enlighten; open up; start; initiate; launch; establish; liberalize; open-minded; enlightened; liberal; progressive; opening; enlightenment