It was late summer and the children were sitting with Joe on the beach. We have to go home tonight, said Jessie sadly. Grandfather says he wants to take us on a trip before school begins, said Henry. I dont mind going home, said Violet. I miss Grandf

发表于:2018-12-06 / 阅读(178) / 评论(0) 分类 2 Surprise Island 奇异岛

er er mother mother sister sister er er 妈妈 妈妈 姐妹 姐妹 summer summer teacher teacher winter winter 夏天 夏天 老师 老师 冬天 冬天 My mother is a teacher. 我的妈妈是老师, She works hard every day. 她每天都努力工作

发表于:2018-12-17 / 阅读(44) / 评论(0) 分类 江苏译林版牛津小学英语(3起)六年级上册

This mother bear's experience gives her family a good chance of survival until spring arrives. They will return again and again as the thaw releases more fish. On the warmer plains and valleys that surround the plateau, grazers are on the move. They

发表于:2019-01-05 / 阅读(61) / 评论(0) 分类 自然百科2012年

Clues to why the herds are drawn to the Yellowstone plateau lie in its deep and unique history. This plateau is the created bowl of a huge sleeping volcano. And melting rock below the surface still pushes the land up to the cold of high altitude. But

发表于:2019-01-05 / 阅读(59) / 评论(0) 分类 自然百科2012年

As 6 months of snow and ice begins to melt, Yellowstone starts to come back to life. Cascading snowmelt swells the streams and rivers. It's a hazard that the migrating herds must cross. Young are barely up to the task. The Yellowstone river has incre

发表于:2019-01-05 / 阅读(61) / 评论(0) 分类 自然百科2012年

As the migrating herds arrive in the plateaus river valleys, the spring is here. This is why they have made the journey after the famine of winter. Food is everywhere. Birds have flown in from as far away as the Arctic and subtropics. Canada geese jo

发表于:2019-01-05 / 阅读(73) / 评论(0) 分类 自然百科2012年

Hot water scorches and drowns the roots of trees encroaching on the valleys. It can keep the forests in check and the rich pastures / open. Those pastures now produce the new grass needed to make rich milk and feed a bison baby boom. The few calves b

发表于:2019-01-05 / 阅读(57) / 评论(0) 分类 自然百科2012年

《Wake Me Up When September Ends》是Green Day(绿日)的一首著名的代表曲。夏天来了又走,那份纯真永远不会持久 ,九月过去时,记得唤醒我。九月即将过去,竞学网英文歌曲频道特此推出,和网友们来追忆九月逝去的时光。 Green Day乐队是90年代之后美国朋克音乐复兴

发表于:2019-01-07 / 阅读(134) / 评论(0) 分类 音乐咖啡厅

In spring, it is warm. 在春天,天气暖和。 We fly kites. We go boating. We like spring. 我们放风筝。我们去划船。我们喜欢春天。 In summer, it is hot. We eat ice creams. 在夏天,天气炎热。我们吃冰淇淋。 We go

发表于:2019-01-15 / 阅读(101) / 评论(0) 分类 江苏译林版牛津小学英语(3起)四年级下册

Not only is summer a hot season but also diseases are apt to happen. To us it is neither comfortable nor safe.If we do not wish to get sick, we must pay attention to the following sanitary ways in summer.Both fresh air and clean food are indispensabl

发表于:2019-01-16 / 阅读(47) / 评论(0) 分类 英语作文

Sunscreen 防晒霜 I need to apply some sunscreen every time I am going out in summer. 夏天我每次出去的时候,我都需要涂些防晒霜。 SPF 防晒系数 Sun Protection Factor An SPF of 30 means that you could be out in the sun 30 time

发表于:2019-01-17 / 阅读(50) / 评论(0) 分类 英语俚语天天说

Each summer in the late 1960s, my two sisters and I would ride the Greyhound bus from Arizona to Arkansas to stay with our father. 二十世纪六十年代末的时候,每个夏天我和我的两个姐妹都会乘坐从亚里桑那州到阿肯色州

发表于:2019-01-17 / 阅读(120) / 评论(0) 分类 英文励志文摘精选

The living is easy. But it won't last long. At this altitude, the air is so dry that rain evaporates before it even hits the ground. The water that flows off the plateau is no longer being replaced. Already there is drought in forests beyond the mead

发表于:2019-01-22 / 阅读(69) / 评论(0) 分类 自然百科2012年

This female grew up on the lake, so she knows where to take the cubs for a very special trip. Yellowstone cutthroat trout are massing in the mouth of the stream that feeds the lake. They are preparing for their annual spawning. But the trout must wai

发表于:2019-01-22 / 阅读(60) / 评论(0) 分类 自然百科2012年

She chews its tail first, to make sure the fish can't get away. While the pups are still demanding milk, the mother otter will often keep the whole fish for herself. Her pups are happy enough with caviar. As the flow becomes slow enough for the trout

发表于:2019-01-22 / 阅读(52) / 评论(0) 分类 自然百科2012年

They are vast smoke plumes. Yellowstone is burning. Throughout the summer, the dry lodgepole pines have become like a tinderbox, and lightening has struck the match. The worst wild fires will burn for weeks. In 1988, a third of Yellowstone burnt in a

发表于:2019-01-22 / 阅读(68) / 评论(0) 分类 自然百科2012年

Bison lose the last of their winter coats. In the heat, tempers fray. To escape soaring ground temperatures, cowbirds choose a bison's back as a cool place to feed and catch the breeze. Biting insects now become a draining nuisance. A grizzly bear es

发表于:2019-01-22 / 阅读(47) / 评论(0) 分类 自然百科2012年

Bison calves are more independent of their mothers. The adults' focus is now set on a ruthless competition to mate. A male bids to enter a herd with females in season. He uses dust to accentuate all his size and power. Another male already establishe

发表于:2019-01-22 / 阅读(50) / 评论(0) 分类 自然百科2012年

But just as the first of Yellowstone's new generation are preparing to leave, its last visitors are arriving. Night after night, army cutworm moths have been escaping the heat of a distant prairie. They have been flying in on favorable winds, hiding

发表于:2019-01-22 / 阅读(60) / 评论(0) 分类 自然百科2012年

As she approaches to see him off again, she realizes she has been injured. A damaged jaw would be a disaster for her and her family. Clearly in pain, she leads the anxious cubs to high ground away from the male. She nurses to calm and / reassure them

发表于:2019-01-22 / 阅读(56) / 评论(0) 分类 自然百科2012年