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(197) / 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(189) / 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(191) / 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(174) / 评论(0)

探索与发现2012年

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学英语单词

a man of ability

Abatement Costs

actinium complex

alternate hot and cold caloric test

Banfora, Falaise de

Blastocladiales

cable-stayed bridge with single cable plane

cation translocase

center arbor seating

Central Dravidian

change transaction

checking experiment

criminal intent

current partition noise

cyclosilathiane

dried unsalted fish

electromagnetic pulley

flip top printing frame

geochemical cycle of uranium

go weaving on sth

helium refrigerated liquid

illegal function assignment

indigenous method

intensity parameters

interlocking structure

keep it together

Kril'onskiy Poluostrov

landing distance

lateral position roentgenography of mandible

linolenic acid group oil

loaded constitution

magnetogranulation

mathematical model of load

meteorologic observation ship

odd-come-shorts

pipethread protector

pituitary neoplasm

pressure control equipment

pressurization transient

pulsating power control

rate of extrusion

running-in ability

scientific verification

Streptomyces diastatochromogenes

superconception

supervision and assessment

Symphyodontaceae

technical tie up

wave height gauge