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

agamohermaphroditism

balance stability

base input characteristics

be through with sth

bond collateral loan

bott operating mechanism

cardratings.com

carpe diem cras

chicken scratches

coded call indicator

Cuvier's sinuses

differential motion piston

DL-Phenylalanine

economic nationalization

english vocabulary

Erythroxylum kunthianum

Euonymus bungeanus

failure detection system

far-east olympic game

file name extension

geologic section

gravity balanced hatchcover

gross flux variation

hematological pipet

Hemsleya lijiangensis

incendiary bullet

labor-intensive goods

large aperture optical system

marine bottom proton sampler

microarchitecturally

monsoon dynamics

non-electrolyte

onion-peel dermatomes

petroleum testing methods

processing type

ragweed dermatitis

random irregularity

repeated limits

Salvia farinacea

second bankruptcy

serve a sentence on bail

sintered-carbide tool

superhigh speed computer

switching by means of equal-length code

tandjung radja (tanjung raja)

tensile impact stress

tetracycline acetylglucosamine

thoracoplasties

travelling wave theory

trichloroethanal

Troisier's sign