英语听力：探索发现

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英语听力：探索发现科学新发现：我们的大气层-24

This is a genuine iron meteorite, this is believed to have once been part of the core of a long dead planet or asteroid, and this was found right here in this strewn field, this remarkable little shapes, indentations on the surface are called thumbpr

发表于:2018-12-03 / 阅读(204) / 评论(0)

探索与发现2014年

英语听力：探索发现 2012-12-30 冰河新新州 Ice Age Oasis—8

But how did one man and a spear produce the huge force behind this blow? The answer lies with small bits of ivory like this. They were once part of an atlatl, or spear thrower. An atlatl acts as a sort of catapult, magnifying the strength of a hunter

发表于:2018-12-03 / 阅读(194) / 评论(0)

探索与发现2012年

英语听力：探索发现 2012-12-26 冰河新新州 Ice Age Oasis—6

These holes are the unmistakable hallmark of a violent death. Their shape suggest they were made by the teeth of a big cat, but which one? Today theres only one large cat in the region, the Florida panther. Though similar to the cougar at the western

发表于:2018-12-03 / 阅读(196) / 评论(0)

探索与发现2012年

英语听力：探索发现 2012-12-28 冰河新新州 Ice Age Oasis—7

But most significant of all, the jaguar has a tell-tale trademark. Instead of going for the neck or snout like most cats do, it kills with a crushing bite through the skull into the brain. This makes the jaguar prime suspect in this case. Even the gl

发表于:2018-12-03 / 阅读(177) / 评论(0)

探索与发现2012年

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学英语单词

accurat sweep generator

Amaranthus hypochondriacus

ambiguity processor architecture

analog intelligence test

anchor hydrographical station

aspidium dilatum sw.

basic device unit

batch production

Claisen condensation

Clitocybe dealbata

control of metal temperature

eclectic method

electrodeionization

Eubasidiomycetes

flight data recorder

gaultheria procumbenss

gianbattista bodonis

gonadotropin-releasing hormone

high magic nuclei

hydropower planning

hypermaterialistic

left-sided sequences

licensee's discretion

lipid biochemistry

maximal mid-expiratory flow rate

Moissan furnace

multiple-segment die

network pc adapter

non ohmic contact

nonelastic scattering cross-section

numerical graphic method

openfield system

palladium point

partialautomatic

petrifying sarcoma

pharyngeal basket

revenue service office

secondary meaning

Septum intersinuale frontale

session of the peace

trihydroxybenzophenone

twist contraction

undersea research vehicle

upper secondary education

walking simulator

western ragweeds

wire-winding technology

year round air conditioning