双向 shuāngxiàng bidirectional
bidirectional; two-way; interactive
How to remember 双向: 双 pair + 向 towards = bidirectional.
Characters
How it is used
- 'Two-way, bidirectional' - 双向车道 (shuāngxiàng chēdào) a two-way lane, 双向选择 (shuāngxiàng xuǎnzé) mutual/two-way choice.
- Marks reciprocity or traffic in both directions; opposite 单向 (dānxiàng, one-way). The 双向/单向 pair distinguishes two-way from one-way - 单向沟通 (dānxiàng gōutōng) one-way communication.