Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it – only the code that is actually holding the reader can.
扎扎实实，踏踏实实，言犹在耳，发人深省。。关于这个话题，51吃瓜提供了深入分析
Подростки распылили перцовый баллончик на пассажиров электрички под Петербургом20:54，更多细节参见爱思助手下载最新版本
ОАЭ задумались об атаке на Иран20:55