先关闭烧嘴阀门，再及时拉开放散阀。

Turn off burner valve, then open valve.

youdao

用袜子当拖把：如果干拖把或湿拖把的替换头用完了，可以将翻过来的袜子用洗涤液浸湿，伸拉开放到拖把头上，然后就像平常一样使用。

Use socks as a mop: If you run out of sheets for your wet/dry mops, just dampen an inside-out sock with cleaning solution, stretch it around the mop head and use it as you ordinarily would.

youdao

不过，即使是中小国家的集中违约，也将彻底终结建立开放式国际经济的希望，并拉开金融民族主义时代的序幕。

But even the default of an agglomeration of smaller countries would end any hope of an open international economy and inaugurate an age of financial nationalism.

youdao