饲用青饲料

SSS 2009-06-24

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Theres plenty of evidence that animals learn from one another. But until now, it was thought that only humans make judgment calls, such as that woman see

发表于:2018-12-24 / 阅读(57) / 评论(0)

Scientific American(六)月

英语沙龙:The reds or the greens?红的还是绿的?

The reds or the greens？ Two apples up in a tree were looking down on the world．The first apple said，Look at all those people fighting，robbing，rioting －－no one seems willing to get along with his fellow man．Some day we apples will be t

发表于:2019-01-01 / 阅读(47) / 评论(0)

英语沙龙

美国国家公共电台 NPR Eating Leafy Greens Each Day Tied to Sharper Memory, Slower Decline

RACHEL MARTIN, HOST: To age well, it is said, we must eat well. But exactly what kinds of foods may be most beneficial for the aging brain? NPR's Allison Aubrey looks at the latest evidence coming from a study of healthy seniors who live in retiremen

发表于:2019-01-16 / 阅读(38) / 评论(0)

2018年NPR美国国家公共电台2月

英语语法：18 Spoonerisms, Mondegreens

Grammar Girl here. I believe I've said before that speaking and writing are two different skills. Since I'm in a summertime mood, I thought it would be fun to go beyond grammar rules today and talk about some funny errorssuch as spoonerisms, mondegre

发表于:2019-01-30 / 阅读(41) / 评论(0)

英语语法 Grammar Girl

【大家说英语】大自然

Lesson 3 Nature 第三课大自然 December 5 12月5日 Feed the Birds! 喂鸟趣！ Read it! 读读看！ Susie made a bird feeder. 苏希做了一个喂鸟器， It is really cool. 非常酷， The instructions were hard to understand. 但它的制作

发表于:2019-02-23 / 阅读(100) / 评论(0)

大家说英语

英语听力精选进阶版 348

Feeder clubs: Who's feeding whom? FRI 21 AUG 2015 Has Vitesse Arnhem lost its identity by becoming Chelsea's feeder club?

发表于:2019-02-24 / 阅读(50) / 评论(0)

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学英语单词

blastophorum truncatum

boykinia rutaecarpa a. juss.

brignole