单词：Portable radar apparatus
单词：Portable radar apparatus 相关文章
Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音，然后回答以下问题。 In what way does echo-location in bats play an utilitarian role? Not all sounds made by animals serve as language, and we have only to tu
新概念英语第四册
[00:00.00]I never watch the TV all night. [00:03.08]I watch TV for sixteen or seventeen hours a day [00:07.05]I also do some exercise every day. [00:09.82]I take Tina,the dog.for a walk every afternoon. [00:13.61]I don't go far,of course. [00:15.74]I
北师大版高中英语模块1
Lesson 9 Curiosities of Animal Life 动物生活趣闻 Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian r
新概念英语85年上外美音版
HARBIN, March 2 (Xinhua) -- A therapeutic(治疗的) apparatus to treat Parkinson's disease has been developed in northeast China's Heilongjiang Province, according to the provincial science and technology department. It is a worldwide breakthrough i
英语新闻
The result was that the Apple engineers and managers suddenly became sharply focused on just four areas. 结果，苹果的工程师和管理人员突然高度集中在四个领域。 For the professional desktop quadrant, they would work on making t
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