念珠状茎

[00:00.00]Word List [00:02.90]hobby [00:04.13]n.爱好,嗜好 [00:05.36]hobbyist [00:06.79]n.有某种癖好者 [00:08.23]rumor [00:09.51]n.传闻 [00:10.79]absolutely [00:12.26]adv.完全地,绝对的 [00:13.74]druggist [00:15.07]n.药商,药剂

发表于:2018-12-01 / 阅读(108) / 评论(0) 分类 自考英语综合一上册 课文+单词

By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds

发表于:2019-01-25 / 阅读(213) / 评论(0) 分类 VOA常速英语2008年(二月)

The Eagle He clasps the crag with crooked hands; Close to the sun in lonely lands, Ringed with the azure world, he stands. The wrinkled sea beneath him crawls; He watches from his mountain walls, And like a thunderbolt he falls. 指掌嶙峋扣峻岩,

发表于:2019-01-30 / 阅读(28) / 评论(0) 分类 双语有声阅读

Lesson 31 The Gliding Snake 第31课 游来游去的蛇 Snakes belong to the class of animals which is known as reptiles. Very few snakes are found in our country. InIreland there are none at all; and in England and Scotland there are only two kinds

发表于:2019-02-13 / 阅读(31) / 评论(0) 分类 英国学生科学读本

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(76) / 评论(0) 分类 VOA常速英语2007年(十二月)

今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自,来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表

发表于:2019-02-18 / 阅读(75) / 评论(0) 分类 英语单词荟萃