HTMLMediaElement: playbackRate property — MDN Web Docs
做到实事求是，离不开调查研究这个基本功。
，推荐阅读91视频获取更多信息
"Astronauts are the calmest people on launch day. And I think... it feels that way because we're just so ready to fulfil the mission that we came here to do, that we've trained to do," she said.
Что думаешь? Оцени!
Андрей Шеньшаков