Every day people come to soak in Hot Creek, a place to rest, created by geologic unrest. Sudden geyser eruptions, driven by heat from magma below the Earth surface, can change water temperatures so fast that going into the water is not recommended.

发表于:2018-12-30 / 阅读(82) / 评论(0) 分类 国家地理2008年

A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm or die. So their tails and heat-shedding ears shrunk, and they grew thick coats of oily fur. But

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 60秒科学

Every day people come to soak in Hot Creek, a place to rest, created by geologic unrest. Sudden geyser eruptions, driven by heat from magma below the Earth surface, can change water temperatures so fast that going into the water is not recommended. B

发表于:2019-01-22 / 阅读(68) / 评论(0) 分类 自然百科2008年

8TheGreatParade Thehugemammothwalkedacrosstheopenplain. Look!saidAnnie.Shepointedtoaherdofelkinthedistance.Theyhadgreat,wideantlers. There!saidJackasaherdofreindeercameintoview.Theyprancedgracefullyacrossthesnow. Thenawoollyrhinojoinedthemontheopen

发表于:2019-01-28 / 阅读(38) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

7TheSorcerersGift Thesorcererdidntspeak.Hestaredthroughtheeyeholesoftheowlmask. Helpus,please,saidAnnie. Thesorcererthrewaropeintothepit.Jackgrabbedit. Hewantstopullusup,saidAnnie. Jacklookedup.Thesorcererwasgone. Wheredidhego?Jacksaid. Tugonth

发表于:2019-01-28 / 阅读(70) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

8OneStartoAnother Whowasthatguy?saidJack.Whatdoeshismapmean? Idontknow,saidAnnie.Butletsseeifitworks. Jacktookadeepbreath.Yeah,wedbetterhurryback.IthinkImrunningoutofair.Itfeelshardertobreathe. Forme,too,saidAnnie. Goslow.Dontbreathetoomuch,

发表于:2019-01-28 / 阅读(62) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

9MasteroftheAnimals Thesabertoothcreptforward. Jackstaredinhorror. Playtheflute,whisperedAnnie. Isshenuts?Jackthought. Try!saidAnnie. Jackheldthemammoth-boneflutetohislips.Heblew. Theflutemadeastrangesound. Thetigerfroze.HeglaredatJack. Jackshandss

发表于:2019-01-28 / 阅读(59) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

If you play Blizzard's massive card game Hearthstone, and millions do, you probably have two of the most iconic cards Sylvanas Windrunner and Ragnaros the Firelord knocking around at least a couple of your decks. Well, not for much longer. 如果你和

发表于:2019-02-03 / 阅读(45) / 评论(0) 分类 英语新闻

Amid rumors that there were prehistoric mammoths wandering around the unknown region and that somewhere in its wilds was a mountain of rock salt 80 by 45 miles in extent,the two captains set out. (同位语从句rumors that) 当时有一些传言,说

发表于:2019-02-21 / 阅读(56) / 评论(0) 分类 托福英语