单词：spike filter
单词：spike filter 相关文章
But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi
365个英语简短小故事
今天学的词组是spike。Spike是一种大钉子，比如铁路枕木上的道钉。Spike也有突然增加的意思。比如利率突然提高 - interest rate spikes; 腐败案件突然增多 - corruption cases spiked。 那么说到腐败，美国
英语每日一词
From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a
2018年VOA慢速英语(一)月
今天我们要学的词是spike。 Spike做为名词，有大幅度上升的意思，demand spike，就是需求的猛增，sales spike，就是销售的上涨。最近，美国开车上班的人又开始叫苦连天。这是因为， We have seen a
英语每日一词
By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica
2007年VOA标准英语（五月）
今天我们要学的词儿是anniversary。 Anniversary是周年纪念，周年纪念日的意思。生活中有些日子是绝对不能忘记的。比如说 wedding anniversary, 结婚纪念日，再比如anniversary of his death, 指某人的祭日。
英语单词荟萃