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                    • [英語聽力] Geek研究: 知道聲音在水中是怎樣傳播的嗎?

                      聲音在水下傳播的很好,但是有一些聲音從空氣中傳到水中卻有一定的困難。為什么是元音能很好的傳播而不是輔音呢? Hints: None 選材/校對/翻譯:hqj5715Every spoken sound is actually a combination o...

                      2011-09-18 20:00
                    • [英語聽力] Geek研究: 為什么鳥兒站在高壓電線上卻沒有被電擊?

                      你是否曾經(jīng)思考過為什么鳥兒不會(huì)被通過高壓線的電流電擊嗎? Hints: None 選材/校對/翻譯:hqj5715It's not unusual to see rows of birds perched on power lines. But did you ever wonder why birds a...

                      2011-09-14 19:47
                    • [英語聽力] Geek研究: 為什么鳥兒站在高壓電線上卻沒有被電擊?

                      你是否曾經(jīng)思考過為什么鳥兒不會(huì)被通過高壓線的電流電擊嗎? Hints: None 選材/校對/翻譯:hqj5715It's not unusual to see rows of birds perched on power lines. But did you ever wonder why b

                      2011-09-14 19:47
                    • [英語聽力] Geek研究: 冰箱會(huì)使廚房的溫度上升

                      冰箱所能做的只是轉(zhuǎn)移熱量或者說能量,從一個(gè)地方轉(zhuǎn)移到另外一個(gè)地方。 Hints: None 選材/校對/翻譯:hqj5715Turn on your oven, and you'll warm up the kitchen. With the oven door open, the kitche...

                      2011-09-07 03:19
                    • [英語聽力] Geek研究:高音和低音哪個(gè)傳播的距離更遠(yuǎn)?

                      Joe和Susan在森林中迷路需要大喊求救。他們兩個(gè)誰的聲音傳播的距離更遠(yuǎn)更容易被聽到? Hints: None 選材/校對/翻譯:hqj5715During their church choir's annual picnic, Joe and Susan wandered off to ...

                      2011-08-26 21:21
                    • [英語聽力] 科學(xué)60秒:毒蛇毒液黏性作用很強(qiáng)大

                      Snakes are misunderstood. They’re not slimy. They’re not ___1___ by music. And the poisonous ones don’t all ___2___ venom into their prey through hollow needlelike fangs. In fact, the fangs of...

                      2011-08-13 10:00
                    • [英語聽力] Geek研究: 輪船航行后的物理現(xiàn)象

                      存在于輪船行駛過后的物理與科學(xué)現(xiàn)象。 Hints: None 選材/校對/翻譯:hqj5715The wake starts out smooth because the passage of the ship destroys whatever wave patterns were there before the shi...

                      2011-08-01 12:51
                    • [英語聽力] 廚房飄著的云朵

                      廚房燒水時(shí)經(jīng)常會(huì)看到白氣,我們稱翻滾的“白氣”為“混合云”。兩種溫度、含水量不同的云團(tuán)混合就可以產(chǎn)生。比如,壺嘴中噴出的高溫水蒸氣遇到廚房空氣,迅速冷卻,至少水蒸氣凝結(jié)。Fill a kettle with water,...

                      2011-02-28 21:16
                    • [英語聽力] 嚴(yán)禁模仿!

                      本聽力主要講的是平拋運(yùn)動(dòng),難點(diǎn)單詞不多,語速較快。理解大意后聽寫會(huì)事半功倍。Don’t Try This at Home! Here’s a hypothetical scenario that is to remain hypothetical. In other words, don’t do t...

                      2011-01-20 18:21
                    • [英語閱讀] 爆笑:最物理學(xué)的冷笑話(雙語)

                      一群偉大的科學(xué)家去世后在天堂里玩藏貓貓。輪到愛因斯坦抓人,他數(shù)到100睜開眼睛,看到所有的人都藏起來了,只有牛頓還站在那里。A bunch of great, DEAD scien...

                      2010-01-20 08:29