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rg2020-12-09 13:17:07 иԇ ҪͶ

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һ·ݵиԇѽ(jng)Y(ji)҂һҲ}պԇʂ䣬yjbysСѼ2017иx}17հgӭxcW!

2017иx}17հ

(ni)ݻؑĹ6

һv19oĩ20oI(y)ͽͨڰ_픷(yng)ҹʣI(y)ڌҹMI(lng)mȻ·䁵ռ늾W(wng)O(sh)ɱ½ͥ_ʼdСĸͥ

ڶ׃ļͥ(y(tng)I(lng)ȫּ)Bͥռ֮ǰļͥҪȼeT׶⾀谵ȼųųжwȻvͥķcm(yng)һg^g^Ȼݔͳɱ½u_ʼмͥ늁T̎⾀ƣ]жwȵ

쎟^쵽˼ͥ늎׃_ʼO(sh)ӋµķݸԱm(yng)mȻɱ½ijɱ߀ƫ˽_ʼO(sh)ӋsС˵ķݿgO(sh)Ӌ҂Ŀ͏d͏dNǰҲsС˳ߴϲһЩǰݵg

Ķvͥ늳ɱĽI(y)l(f)F(xin)˼ͥǂµЈӴͶS늾W(wng)ռ늳ɱ½ʹüͥԽԽռ

ebungalow@NݣΌСƽ1900굽1920@NΌСƽ(sh)E700fg^ǰĶӴС^(ji)s(sh)ͥܡ

ͥ߀׃˵xlĸƣԽԽµϲgĕrgxҲԻĕrg㺢ӂxM˼ͥͨͥxĈD^ĕ(sh)õC

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1. properties = characteristics

2. substantially = significantly

3. allegedly = supposedly

4. apparent = obvious

ڶƪExtinction of the Mammoths

(ni)ݻؑĹ8

һBMammoths()ĕrg͜^ĕrgվ180f굽1.1fgĸ(Pleistocene)ھ1.1fĕr^^ԭǚ׃

ڶΣ^ՓJ1.3f-1fĕr6׃ĸL׃øLغ͚rgm(x)^@Ӱʳ݄ʳҲֲL

ԓՓģJ󳣳ʳN͵ʳA, B, C׃ʹ@׷NֲLλðl(f)׃Lͬһ̎^(q)ʹSˮw㡣

ĶهֲL^(q)׃ǰһܫ@ĠIB(yng)}׃С(sh)p

Σͬrֲw㣬ʹķNȺ(sh)xɺСķNȺͬNȺ֮goֳСNȺ(ni)ķֳ»|(zh)ԽԽK^

eCښWꑵͷoĚ^Փģ

߶ʳõֲp٣IB(yng)͌^Փ|(zh)mȻ׃؅^(q)'炐ȁ܉w㵽160ˮSĵطǸ炐ȁ߀ǜ^

ڰ˶׃œ^|(zh)ᵽĸPleistoceneЂ22~^Ě׃֮ǰĚ׃]Ќ^@һΜ^ˣՓվס_

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1. occasionally = sometimes

2. drastically = extremely

3. segregated = separated

ƪ Beginning of the Planet Formation

(ni)ݻؑĹ5

һv̫ϵˮǣͻǶǣă(ni)ҪЎrʯ֮|(zh)Mԓ̽ӑ@׷Nγ֮ĕrҪһЩ@һAP(disc)D(zhun)ͬrҲ@̫ùD(zhun)@ЩdiscҪЩw(sh)2%

ڶ@ЩwdzͬһD(zhun)w]໥ײĦ±ĴM෴ۼ(sh)ԽԽ¡u׃ͬr̫ݗšwɢȥuˎrʯMɵ

ĶՓ(j)Cڶе^cᵽˏchondrules(Eʯ)l(f)F(xin)@ЩǎrʯژOߵĜض(1000-1300z϶)ڻγɵġ(jng)^ͬλisotopeyC@һ^cͬrγ֮x̫^ض^ʹþۼ@Щ܇Ĵɢȥ

ԓ^c|(zh)ɣ̫ݗҪʹϵĴɢȥҪx̫10ľx@xDzܵ

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1. leftover = remains

2. ensured = guaranteed

3. match = agree with

4. rival = competing

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