Junchao Chang

潮白河风光 Chaobai river in Beijing

Feeding rabbits

Fish in aquarium

景泰蓝制胎的奇妙之旅

微信小程序开发系列 使用微信开发者工具开发一个简易相机

开发一个简易微信小程序音乐播放器 - 使用微信开发者工具

白描 《送子天王图》画法

花丝镶嵌 萱草花制作 中国传统工艺美术

Watch My Daughter Play Lego in Kindergarten - A Sweet Memory

路由器OSPF动态路由配置详细步骤-OSPF Dynamic Routing Config-cisco packet tracer

路由器RIP动态路由配置-dynamic routing configuration-Cisco Packet Tracer

单臂路由配置步骤 先理论 后实践 Router-on-a-Stick Configuration - Cisco Packet Tracer

邮政专业英语学习 邮政储蓄业务 Postal Savings Service，人民币存、取 || 定期存款一本通

邮政专业英语 China Post English 国内汇兑业务 Internal Remittance Service

中国邮政专业英语 国际汇兑 International Remittance 西联汇款 Western Union 国际银邮“一汇通” China Post English

Packet tracer AAA配置 RADIUS设置

景泰蓝掐丝

景泰蓝制作工序概述-燕京八绝之一-景泰蓝

baby shark

My daughter learns to dance with baby shark song

2021年北京的第一场雪 first snow in Beijing in 2021 玩HI了

燕郊天洋城小区 冬天风景

which one is better Adobe and Serif First watch Adobe and Serif Ads

My daughter小帐篷玩嗨了

濮阳县乡村夕阳落日美哉美哉Countryside sunset scenery in Zi An Xiang Town,Puyang county HeNan province

家乡老井，儿时的回忆，家乡的味道An old well at least 40 years old evokes the wonderful memories of my childhood

河南濮阳子岸乡风力发电 绿色再生能源 Wind power is popular in China,green power is very good

濮阳子岸乡西柳村乡村风光 平静 祥和 自然和谐countryside peaceful time from henan province

燕京八绝展览室360度video

学会用筷子吃面了 My daughter learns to eat noodles with chopsticks.