八年级英语作文,介绍芦荟本身的特点.pdf

八年级英语作文,介绍芦荟本身的特点

全文共3篇示例，供读者参考

篇1

TheAmazingAloeVeraPlant

Haveyoueverheardofthealoeveraplant?Itsthisreally

cool-lookingsucculentwiththick,spikedleaves.Mymomkeeps

oneinourkitchenbecausesheusesthegelinsidetheleavesfor

skincareandsunburns.Ifirstlearnedaboutaloeverainscience

classwhenwewerestudyingplants.OnceIfoundouthow

uniqueandusefulthisplantis,Ibecamereallyinterestedinit.

AloeveraisamemberoftheLiliaceaefamily,whichincludes

lilies,tulips,andotherfloweringplants.Butunlikeitscolorful

relatives,aloedoesnthaveshowyflowers.Itsleavesaregreen

andshapedkindoflikethicktonguescoveredinsmallwhite

teethalongtheedges.Theygrowoutwardsfromathickstemin

arosettepattern.Theleavescangetover2feetlongonamature

plant!

Thecoolestthingaboutaloeleavesiswhatsinsidethem.If

yousnapoffaleaf,itoozesaclear,gel-likesubstance.This

gooeystuffiscalledaloegeloraloemucilage.Itsmadeupof

around96%water,withtheother4%containingvitamins,

minerals,enzymes,aminoacids,andothercompounds.Many

peopleusethegelasanaturalmoisturizerortotreatskin

conditionslikeburns,eczema,andcoldsores.

Aloeveraisconsideredasucculent,whichmeansithasthick

fleshyleavesandstemsthatcanstorewateroverlongperiodsof

time.Thisallowsaloetosurviveinveryhot,dryclimateswhere

otherplantswouldshrivelupanddie.ItsnativetopartsofAfrica,

butaloeisnowgrownaroundtheworld,includinghereinthe

UnitedStates.Infact,aloeissuchahardyplantthatsomepeople

consideritaweedbecauseitcantakeovergardensifnot

controlled.

Whatmakesaloesotough?Alotofithastodowithspecial

adaptationsthathelpitconservewaterandcopewithblazing

sunshine.Thethickouterrindoftheleavesiscoveredina

waterproofskin