[机] 二代磷酸钙, 磷酸氢钙

牛津初中英语一年级课文UNIT1

[00:52.40]Oh,I love this e-dog. [00:59.66]I'm Eddie.What's your name?My name's Hobo. [01:05.62]Are you my master?Yes,I am. [01:11.37]Good,This is my instruction book.Read it now. [01:18.21]Reading A Welcome to Beijing Sunshine Secondary School [01:27

发表于:2018-11-30 / 阅读(142) / 评论(0)

牛津初中英语一年级

牛津初中英语二年级课文UNIT5

[00:08.59]What are you doing tomorrow,Eddie? [00:13.24]I am going birdwatching at the market. [00:17.50]At the market? [00:21.05]I like birds at the market.Beijing Ducks and roast chickens.Yummy! [00:29.83]Reading A Birds in Zhalong [00:40.28]Sandy j

发表于:2018-11-30 / 阅读(159) / 评论(0)

牛津初中英语二年级

闭着眼睛飘单词四级词汇57

[0:0]scratch抓，刮，擦 [0:9.1942]screen screw script seal屏幕，银幕螺丝剧本，广播稿封条，图章 [0:46.5236]secondary sector secure segment次要的，第二的扇形，部门安全的，可靠的部分，断片 [1:34.3195]select selfish semester semiconductor选择，挑选

发表于:2018-12-17 / 阅读(119) / 评论(0)

闭着眼睛飘单词四级词汇

专业术语—口腔生理学术语P2(英文详解)

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(59) / 评论(0)

医务英语

SSS 2009-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(78) / 评论(0)

Scientific American(四)月

美国国家公共电台 NPR To Get Calcium, Navajos Burn Juniper Branches To Eat The Ash

DAVID GREENE, HOST: So getting calcium in your diet is essential to keeping your bones strong. Well, what do you do if you can't do dairy? A Navajo graduate student at Northern Arizona University got really interested in that question when he came ac

发表于:2019-01-16 / 阅读(54) / 评论(0)

2017年NPR美国国家公共电台8月

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be in for the high jump

bursting-bubble theory