无线

• 拼音: wú xiàn
• 汉字拆解: 无 = without; 线 = 纟+ 戋 (thread radical + small — a thin thread, wire, line)

含义

Wireless; without physical cables or wires. Describes technology that transmits signals through electromagnetic waves rather than physical connections.

Used as a modifier before many nouns: 无线网络 (wireless network), 无线充电 (wireless charging), 无线耳机 (wireless earphones), 无线传输 (wireless transmission). Central to modern telecommunications and consumer technology.

例句

1. 这款路由器支持最新的无线传输协议，覆盖范围广且连接稳定。
2. 无线充电技术的普及使用户彻底摆脱了繁琐的充电线束缚。
3. 该咖啡馆提供免费的无线网络服务，吸引了大批远程办公的顾客。

用法指南

语境: technology, telecommunications, consumer electronics, daily life

语气: neutral

正确说法

• 随着5G商用落地，无线网络速率和覆盖大幅提升，推动了工业自动化和远程医疗创新。(With the commercial rollout of 5G, wireless network speed and coverage have risen sharply, driving innovation in industrial automation and telemedicine.)
• 工程师在部署这套智能楼宇管理系统时优先采用了无线传感器方案，既避免了大规模布线施工的麻烦，又确保了各节点数据的实时采集与传输。(When deploying this smart building management system, the engineers prioritised a wireless sensor solution, both avoiding the trouble of large-scale wiring construction and ensuring real-time data collection and transmission from each node.)

错误说法

• 无线 on its own as a standalone noun — it functions as a modifier, so always pair it with the device or technology it describes; for the concept of radio as a technology, use 无线电

起源与历史

无 (without) + 线 (wire, line) — without wires

文化背景

世代: All ages

社会背景: Universal