米-千克-秒-安制

keen a.渴望的,热心的;理解力强的,敏锐的 keep v.保留;保持;遵守;饲养;管理 kettle n.水壶 key n.钥匙;键;关键;答案 a.关键的 keyboard n.键盘 vt.用键盘

发表于:2018-12-01 / 阅读(211) / 评论(0) 分类 大学英语四级词汇

For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The

发表于:2018-12-08 / 阅读(79) / 评论(0) 分类 2018年VOA慢速英语(十一)月

MODULE 6 SHOPPING\n [au:]第六模块 购物\n [00:04.22]UNIT 16 In the Market\n [au:]第十六单元 在市场\n [00:08.24]Dialogue\n [au:]对话\n [00:11.50]1 Look and listen. Then read and act in groups.\n [au:]1 看一看,听一听。然后分组

发表于:2018-12-13 / 阅读(228) / 评论(0) 分类 广州版金太阳小学英语四年级下

UNIT 17 The Vegetables and Fruits We Need\n [au:]第十七单元 我们需要的蔬菜和水果\n [00:06.78]Dialogue\n [au:]对话\n [00:09.21]1 Look and read the dialogue. Then complete the dialogues.\n [au:]1 看一看、读一读对话。然后完成

发表于:2018-12-13 / 阅读(257) / 评论(0) 分类 广州版金太阳小学英语四年级下

[00:01.75]Unit 11 Story [00:05.96]Let's make a cake. [00:09.41]Read me the recipe,Mocky. [00:11.92]What do we need? [00:13.85]We need flour,eggs,milk,sugar and butter. [00:19.74]Tell me the first step. [00:23.04]Put three kilograms of flour into a bo

发表于:2018-12-13 / 阅读(185) / 评论(0) 分类 新路径小学英语五年级上册(一起)

kill----------杀死 kilogram---公斤 kite---------风筝 kind--------种类

发表于:2018-12-16 / 阅读(86) / 评论(0) 分类 用听的背单词-基础2000MP3(h-z)

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 ir-(放在同辅音词根前)表示不,无 irrational = ir + rationa

发表于:2018-12-19 / 阅读(82) / 评论(0) 分类 英语PK台

[00:00.22]Unit 4 Food [00:05.37]Lesson 15 [00:09.63]Exercise 1.2 [00:13.40]Good morning.What do you need ? [00:16.13]Hi.How much are the apples ? [00:19.34]Apples are two dollars fifty cents a kilogram. [00:22.97]And how much are the tomatoes ? [00:2

发表于:2018-12-29 / 阅读(269) / 评论(0) 分类 北师大版初中英语七年级上

beneath [bi'ni:] prep.在下面;ad.在下面 convenient [kən'vi:njənt] a.方便的 examine [ig'zmin] v.考试,审查,检查 grape [greip] n.葡萄 kilogram ['kiləgrm] n.千克,公斤 mother ['mʌə] n.母亲 polite [pə'lait] a.有礼貌的,

发表于:2018-12-30 / 阅读(243) / 评论(0) 分类 1200个常用英语口语单词(MP3+文本)

OAM operation administration maintenance OCC other common carriers Ohms Restriction Ohms Restriction is the same as Ohms resistance. Ohms are measures of resistance. A resistance of one Ohm allows one

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 电信英语

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 四六级词汇与结构练习

all in all 总之,说一千到一万;最重要的。例句如下。 例句: All in all, even though he has problems, he is a good soccer player. 说一千到一万,虽然他有很多问题但我还是觉得他是个很好的球员。 All in a

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 美国俚语

Most of the winners on the fifth full day of competition at the Beijing Olympics will come from sports not widely followed. But as VOA's Jim Stevenson reports from the Chinese capital, their victories will mean as much as the gold medals claimed in

发表于:2019-01-09 / 阅读(74) / 评论(0) 分类 VOA标准英语2008年(八月)

[00:09.12]Jew John Denver join hands judgement [00:14.20]犹太人 约翰.丹佛 联手 判断 [00:19.28]Jules Verne Juliet justice [00:23.05]儒勒.凡尔纳 朱丽叶 公正;正义 [00:26.83]K [00:36.39]keep track of kilogramme=kilogram kindness

发表于:2019-01-10 / 阅读(155) / 评论(0) 分类 高中英语人教版高二

DAVID GREENE, HOST: So every time you weigh something, whether it's coffee or bananas - I'm not sure what you're weighing - you might be doing it in pounds - well, whatever you're doing, you're unknowingly relying on a global system of measurement th

发表于:2019-01-17 / 阅读(161) / 评论(0) 分类 2018年NPR美国国家公共电台11月

AM/A.M./a.m. 上午 amateur a.业余的 n.业余(活动)爱好者 amaze v.使惊奇,使惊愕,使惊叹 ambassador n.大使 ambiguous a.模棱两可的 ambition n.雄心,野心 ambitious a.有雄心的

发表于:2019-02-05 / 阅读(178) / 评论(0) 分类 考研英语

与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe

发表于:2019-02-06 / 阅读(185) / 评论(0) 分类 英语学习方法

Including the start of the Olympic football tournament two days before the Opening Ceremonies, the Beijing Olympics have reached the halfway point of scheduled competition. VOA's Jim Stevenson has this preview of the action Friday, which is highligh

发表于:2019-02-06 / 阅读(85) / 评论(0) 分类 VOA标准英语2008年(八月)

Science and technology 科学技术 Measurement 测量 Mass effect 质量效应 A better way to clean the world's one true kilogram 清洁世界上真正一千克的更好方法 IN SEVRES, on the outskirts of Paris, sealed beneath a triplet of bell j

发表于:2019-02-24 / 阅读(159) / 评论(0) 分类 经济学人科技系列

echo n.回音 vt.重复 I heard vague echoes of someone's footsteps. 我隐约听见有某人脚步的回音。 Our teacher echoed what the report stated. 我们老师把报告上写的东西重述一遍。 sweat vi.出汗 n.汗 I sweat a lot on hot

发表于:2019-03-17 / 阅读(343) / 评论(0) 分类 赖世雄进阶英语词汇3500
学英语单词
ambiguous error
ammonia hydroxide
amoralia
annual report of auditing and inspecting
aqiline nose
aspherical cylinder lenses
at ease
azonines
Baby Bills
back to sail
betazoids
bhreckite (vrickite)
bighorn mts.
bitter salt
Bouenza, Chutes de la
bromo-acid
bullion dealer
buoyancy material
bus plane
C. & A.
car type oven
Comparative and superlative degrees
compulsive self pollination
conveyer pawl reverse
cyclocoelids
distributable profits
ebben
electronic article surveillance
embryoma of the ovary
emitter mark
Eos
Ethernet protocol
explicit result
failure detection and isolation
fault-pattern
fibrochondrocyte
foreshowing
generating pressure angle
go public with
grass dryer
ground test vehicle
group operation
Halvad
hindrance abuse
host test
hydraulictransmitter
intermittent lakes
ivekovic
Jingming (B1)
juncture migration
kollanite
long-acting sulfonamide
lord britten of aldeburghs
mannes
mastogram
maximum file size
metraphyma
nanohybrids
Neolitsea tomentosa
Novoural'skoye
o.g
open-circuit television
oxide spot
parasitaemias
pargetter
payment engine
phase locked speed regulation
philosophiser
pigment pollution
Poplarfield
pounds on
principle of free energy minimum
PY-NO2
rabbit twister
recoil permeability
renewal pruning
repliconation
rights to knowledge
rose-apple
sanforize corrugation
saxicola torquatas
scare someone out of his mind
Sharo-Argun
skew regression
smizes
spin-spreader
stove bolts
system of verification
T phase
taddeus
tetanus paradoxus
threshold of consciousness
tirecut
trystings
unit jumper
unpays
unshuffles
urban utilities
venulite
withcall
Worthville
Zungur