End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
常见疾病名称的英文缩写 https://www.eegaga.com/2017/01/14/changjianjibingmingchengdeyingwensuoxie/