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我們的單詞“英里”來自于有關(guān)羅馬英里的拉丁語“英里”。 Hints: Roman Empire furlong 選材／校對／翻譯：hqj5715Our word "mile" comes from the Latin "mille," which referred to the Roman mile. Th...

為什么黃色是熒光筆使用最多的顏色？ Hints: None 本文兩處連字符…… 選材／校對／翻譯：hqj5715Walk into an office supply store, and you'll see highlighters in almost every color imaginable. S...

魚兒看似沒有耳朵，但是他們可以聽見聲音嗎？ Hints: otoliths calcium carbonate 本文有四處破折號“—” 選材／校對／翻譯：hqj5715When you look at a live fish, you can't see its ears because the...

奶牛，山羊，綿羊需要借助細(xì)菌微生物的幫助來消化他們食用的植物，而他們中的一些細(xì)菌便能產(chǎn)生甲烷。 450)this.width=450" Hints: Darma wallabies Succinivibrio WG 1 succinate 選材／校對／翻譯：hqj5...

奶牛，山羊，綿羊需要借助細(xì)菌微生物的幫助來消化他們食用的植物，而他們中的一些細(xì)菌便能產(chǎn)生甲烷。 450)this.width=450" Hints: marsupial kangaroos 選材／校對／翻譯：hqj5715Intestinal gas is produ...

許多研究表明，農(nóng)業(yè)的發(fā)展伴隨著人類身高及整體健康的下降。 Hints: None 選材／校對／翻譯：hqj5715Also, in agricultural settlements people lived packed together in larger groups, and among domest...

許多研究表明，農(nóng)業(yè)的發(fā)展伴隨著人類身高及整體健康的下降。 Hints: None 選材／校對／翻譯：hqj5715About 10,000 years ago, human populations around the world figured out that they could grow crops...

一項研究稱我們每天食用食物比十九世紀(jì)七十年代幾乎多600卡路里。 Hints: None 選材／校對／翻譯：hqj5715Which seems totally counter intuitive, given the fact of people consuming more calories than...

一項研究稱我們每天食用食物比二十世紀(jì)七十年代幾乎多600卡路里。 Hints: None 選材／校對／翻譯：hqj5715I keep reading about how the obesity epidemic is happening because people eat way more than ...

你是否曾經(jīng)思考過為什么新生兒的眼睛是藍(lán)色的？ Hints: None 選材／校對／翻譯：hqj5715The variations in eye colors come not from the color of the pigment in the iris, but rather from the amount o...