双向

• ピンイン: shuāng xiàng
• 漢字の分解: 双 = 又 + 又 (double); 向 = 宀 + 口 (direction/toward)

意味

双方向の・双方向（相互）の

Common in traffic (双向车道, two-way lanes), communication (双向沟通, two-way communication), and technology (双向传输, bidirectional transmission). The term implies reciprocity and mutual flow between two parties.

例文

1. 这条公路已扩建为双向四车道，有效缓解了拥堵。
2. 良好的师生关系建立在双向尊重与信任的基础之上。
3. 该平台支持双向数据传输，大幅提升了协作效率。

使い方ガイド

場面: traffic, communication, technology, education

トーン: neutral

正しい言い方

• 有效的教学必须是双向互动的，而不是单向的知识灌输。(Effective teaching must be two-way and interactive, not one-directional transmission of knowledge.)
• 新建隧道实现了双向通行，彻底解决了长期困扰市民的交通瓶颈。(The newly built tunnel achieved two-way traffic flow, fully resolving the long-standing traffic bottleneck that troubled residents.)

避ける言い方

• 双向感情 — use 相互的感情 or 彼此喜欢 in everyday speech; 双向 in emotional contexts sounds overly technical and unnatural

起源と歴史

双 (double/two) + 向 (direction)

文化的背景

世代: All ages

社会的背景: Universal