# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/aihssta
神舟飞船“刹车指令员”让航天员安全舒适着陆**
[![](https://pic3.zhimg.com/v2-8c3db420f25e5b505dd506f424bbe1f2.jpeg)https://www.zhihu.com/video/1422214338094952448](https://link.zhihu.com/?target=https%3A//www.zhihu.com/video/1422214338094952448)

10米、9米……2米……

“减速刹车!”

在神舟十二号回家的最后阶段,位于返回舱底部的“刹车指令员”——γ高度计,正精确测算着返回舱的速 ... ⌘ Read more