[网络] 地陷；石灰坑

Supermassive Black Holes 超大质量黑洞 - 8

In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou

发表于:2018-12-07 / 阅读(323) / 评论(0)

超大质量黑洞

英语口语1+1:The kitchen sink

发表于:2018-12-24 / 阅读(99) / 评论(0)

英语口语1+1

温馨夜读II PART4 12.18 Holes in His Mind

[00:00.52] 12.18 Holes in His Mind [00:06.29]Major James Nesmeth had a dream of improving his golf game and he developed a unique method of achieving his goal. [00:14.35]Until he devised this method, he was just your average weekend golfer, shooting

发表于:2018-12-26 / 阅读(45) / 评论(0)

温馨夜读II

英语儿歌274首第63期:Here'the sink

歌词如下: Here's the sink in the bathroom I'm ready to wash my hands! Are you ready?I'm ready now! Here's my toothpaste And my toothbrush. I'm ready to brush my teeth! Are you ready?I'm ready now! Here's the bathtub!And my rubber duchling! I'm re

发表于:2018-12-31 / 阅读(51) / 评论(0)

英语儿歌274首

VOA慢速英语2010年-EXPLORATIONS - Blue Holes: Some of the

BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands surface. These cave systems form in carbonate rock, often on islands.

发表于:2019-01-12 / 阅读(72) / 评论(0)

2010年VOA慢速英语(十一)月

New Data Adds to Understanding of 'Black Holes'

New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in

发表于:2019-01-14 / 阅读(70) / 评论(0)

VOA标准英语2016年(九月)

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a horse of a different colour

anarchy of production