[水利] 外水压力

Horizon - Life On Mars 火星生命 - 3

Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.

发表于:2018-12-07 / 阅读(46) / 评论(0)

火星生命

英文短文：Cohesion-tension Theory

Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete

发表于:2019-01-08 / 阅读(47) / 评论(0)

英语小短文

美国国家公共电台 NPR In Chile, Many Regard Climate Change As The Greatest External Threat

LULU GARCIA-NAVARRO, HOST: This summer, we are taking a deeper look at climate change and the profound effect it's having on people around the world. Today, we're going to Chile in South America. NPR's Philip Reeves visited a community whose landscap

发表于:2019-01-16 / 阅读(34) / 评论(0)

2017年NPR美国国家公共电台7月

英语访谈对话 238 Bad Students

Todd: Norm, you said that you used to teach computers! Norman: Yes! I did at the elementary school back in Canada. Todd: And what was that like? Like how did you actually teach computers. Norman: Actually, I initiated a computer project. We were plac

发表于:2019-01-30 / 阅读(26) / 评论(0)

英语访谈对话

原版英语对话1000个:238 Bad Students

发表于:2019-02-06 / 阅读(27) / 评论(0)

原版英语对话1000个

是谁偷走了中国人的幸福

丹麦人的幸福感源于平等;新加坡人的幸福感源于法律;印度加尔各答贫民窟的人的幸福感源于相互依靠彼此的心。 In Denmark, happiness comes from equality; in Singapore,happinesscomes from the rule of law; in the

发表于:2019-02-06 / 阅读(29) / 评论(0)

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