单词：bear seeds in cones
单词：bear seeds in cones 相关文章
For those of us lucky enough to always have enough food and water, it may be hard to imagine living through a drought. A drought occurs when for a variety of reasons, usually includinga lack of rainfall and warm temperatures. Soil moisture severely d
有声杂志阅读
But as the trees' pine cones mature to release their twirling seeds, 但当这些树木的球果成熟，释放它们随风旋转的种子 this signals a problem for the lodgepoles' future. 这预示了美国黑松将面对一个问题。 Very few of
TED演讲教育篇
That's well more than the 115-140 degrees that signal the moment when serotinous seeds can be freed. 这远远高于华氏115-140度，即晚熟球果种子能被释放的所需温度。 At those temperatures, the cones burst open, releasing millions
TED演讲教育篇
Beginners. In our area, some birds will stay for the Winter. They make their nests cozy , fluff up their feathers, and search for food every day. But, they have a problem. Because everything is covered with snow, it is hard to find food. It is too co
英语博客 A cup of English
And Aunt Bear gave her little nephew a log full of honey, some big, brown pine cones to play with, and a string of red berries to put around his neck. 熊阿姨给了自己的小外甥一个满是蜂蜜的原木和一些用来玩耍的棕色大松果，
美国小学英语教材3
Food Caching 食物储存 Humans may be one of the smartest animals on the planet, but when it comes to remembering where things are, Clarks nutcrackers have us beat. A relative of jays and crows, nutcrackers hide pine seeds in the ground each autumn
英语听力文摘 English Digest