对流损失

美国俚语:I'm at a loss for words什么意思?

I'm at a loss for words，用来表达不知说什么好，无话可说，哑口无言。例句： I'm at a loss for words , How dare you accuse me of stealing . 我真不知道该说什么好，你怎么会怀疑是我偷窃呢。 This is the most

发表于:2019-01-08 / 阅读(107) / 评论(0)

美国俚语

(1)Springtime Ozone Loss

25 大气层中臭氧正日渐稀薄 DATE=3-21-01 TITLE=SCIENCE REPORT - (1)Springtime Ozone Loss BYLINE=George Grow (Start at 1'00

发表于:2019-01-30 / 阅读(254) / 评论(0)

科技之光

Want Motivation On Weight Loss?

Want motivation on weight loss? Dont rely on your willpower! Controversial advice I know, but there is psychological proof for it, so please bear with me and Ill explain. Most advice youll hear about how to get motivated and keep motivated when losin

发表于:2019-02-13 / 阅读(65) / 评论(0)

阅读空间

One in five Americans has hearing loss: study

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(64) / 评论(0)

英语新闻

JPMorgan Loss Hits $5.8 Billion

The largest U.S. bank, JPMorgan Chase, says it lost $5.8 billion in bad trades this year, nearly triple its original estimate. The Wall Street investment bank said two months ago it estimated that losses originating in its London trading office would

发表于:2019-02-18 / 阅读(78) / 评论(0)

英语新闻

万物简史第309期:地下的烈火(17)

The hour hand on a clock moves about ten thousand times faster than the flowing rocks of the mantle. 钟面上时针的移动速度，比地幔岩石的流动速度，要快大约1万倍。 The movements occur not just laterally as the Earth's plates

发表于:2019-02-25 / 阅读(196) / 评论(0)

万物简史

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学英语单词

closed loop frequency response