水稻小苗种子撒播机

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发表于:2018-12-31 / 阅读(33) / 评论(0) 分类 雾都孤儿.Oliver.Twist

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2018-12-31 / 阅读(34) / 评论(0) 分类 雾都孤儿.Oliver.Twist

Our poor dog Jigs had slipped and fallen into the pit. 我们可怜的狗吉格斯,脚一滑跌进了一个坑里。 So grandpa ran up with his shovel to rescue the poor dog. 爷爷匆忙抄起一把铁铲,跑过去救那只可怜的狗。 He was

发表于:2019-01-18 / 阅读(40) / 评论(0) 分类 TED演讲科学篇

You see, like all networks, mycorrhizal networks have nodes and links. 你们看,就像所有的网络一样,真菌的网络中也有节点和链接。 We made this map by examining the short sequences of DNA of every tree and every fungal indivi

发表于:2019-01-18 / 阅读(48) / 评论(0) 分类 TED演讲科学篇

In many countries it has long been the tradition to hold an annual tree or forest festival. The origin of such celebrations dates back to antiquity and is in the dawn of religious feeling and awe for what trees represented. However, Arbor Day, as it

发表于:2019-02-04 / 阅读(86) / 评论(0) 分类 阅读空间

LULU GARCIA-NAVARRO, HOST: In Madagascar, rice is often served for breakfast, lunch and dinner. Not only is it a staple of the local diet, it's also one of the primary crops grown across the island. But erratic rains are disrupting rice production on

发表于:2019-02-13 / 阅读(51) / 评论(0) 分类 2017年NPR美国国家公共电台8月
学英语单词
'Arabestān
Abang
Achillea ptarmica
acid wave
amidolacetate
apocaffeine
autocatalyse
average-life
bacterial coenzyme
Band-Aid surgery
Bathylagus
Beecham's pills
belly telly
bleaching tower
blotting-pad
brakerod
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briswort
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Clemmie
concrete vessel
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coronado
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diagonal tie plate
dicerorhinus sumatrensis
divergence of series
diversity reception
DPMA
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exception scheduling routine
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furnace liberation rate
heat conductivity of peat
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in-situ composite
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inductance-capacitance generator
junenol
key-rack
Les Junies
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meridian doctrine
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ozark
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Pedicularis gongshanensis
peer acceptance
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Primula lungchiensis
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