You use the XmlHttpRequest or equivalent object that modern browsers provide for this asynchronous background communication.
可以使用现在的浏览器提供的XmlHttpRequest或等效对象进行此异步后台通信。
2
Sometimes, spoken language on the radio or TV is just background noise, the linguistic equivalent of Muzak. So if you really want to remember what you have just heard.
有时,电台或电视所播放的语言只是背景噪音,是与音乐传送带相对应的语言现象。
3
Sometimes, spoken language on the radio or TV is just background noise, the linguistic equivalent of Muzak.