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(42) / 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(41) / 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(33) / 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(27) / 评论(0)

探索与发现2012年

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学英语单词

Andrade's inaicator

angle of steering lock

antihalation backing film

archival research

auxiliary aviation

bisheteroarylpiperazine

bogmaster combine

bounded intervals

chief technology officer

cholesterinized antigen

Closed Circuit Transition

condenser transmitter

convince and persuade

cylinder-moulds

Ehrlich 5 (oxophenarsine hydrochloride)

family acanthaceaes

ferrite loaded waveguide

friggatriskaidekaphobia

gray box testing

industrial co-operative

Italian Republic

lenisquilla lata

method of replica plating

multieffect evaporator

NHV (net heat value)

object program module

overall wear characteristics

plan of material requisition

political climate

Principal Residence

pump governor cover

purse seine fishing ground

return of foreign trade

ruminant-derived meant and bone meal

second best theory

sequence of prior distributions

static storage allocation

status quo ante

Stenocarpus sinuatus

strategic aviation

suspension piercing

the dead spit of

thymotrophic hormone

transaction posting date

trust for value

world monetary reserves