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

additional course

artificial flavor

atrophy of external genitalia

balanced bridge

Brown lunar theory

bubble breaking surface

bubble-sweepdown of sonar

colpus membrane

combined sprayer and duster

compound reflector

cycle of materials

diced cartilage grafting

domestic corporate issues

Eritrichium confertiflorum

experiment tank

flex joint ball type

glogerne kommer festival (norway)

homogeneous broadening

keep one's regular spell

lichen planus of vulva

marine bottleneck

Masuria(Mazury)

methane reforming comprehensive process

Mycoderma cerevisiae Hansen

nazi concentration camp

norfolkia brachylepis

normocrythrocyte

one-dimensional lattice

planar class of symmetry

plant personnel required

PMP (probable maximum precipitation)

preliminary note

recurrent decimal

relaxation equation

rubber latices products

sclerosed enamel

shear force (sf) distribution

Spatium epidurale

staphylokinases

Tamarix austromongolica

tapping field motor

traveling wave measurement

true precession

tube plug with socket

Tunica muscularis pharyngis

venomous snake bite

vibration drilling

weak derivative