
好词典

源自拉丁语 'iunctio',意为连接或结合,通过古法语 'jonction' 进入英语。
❶ 指两条或多条道路、铁路或管道的交汇处,通常用于描述交通系统中的连接点。
“The accident happened at a busy road junction.”
(事故发生在一条繁忙的道路交叉口。)
“The train slowed down as it approached the railway junction.”
(火车在接近铁路枢纽时减速了。)
❶ 在电子学中,指不同导体或半导体材料的连接点,电流在此处流动或转换。
“The transistor has three junctions that control the flow of current.”
(这个晶体管有三个控制电流流动的连接点。)
“A p-n junction is a basic component in many electronic devices.”
(p-n结是许多电子设备中的基本组件。)
railway junction — 指多条铁路线路交汇的地点,火车可以在此转换路线或方向。
“The small town grew rapidly after becoming an important railway junction.”
(这个小镇在成为重要的铁路枢纽后迅速发展起来。)
junction box — 电气工程中用于保护电线连接点的封闭盒子,防止短路或触电。
“All the wires from different rooms connect in the main junction box.”
(来自不同房间的所有电线都在主接线盒中连接。)