椭圆反射镜,椭圆反光镜

elliptical reflector的用法和样例：

例句

He broke the reflector of his car the first time he drove.他第一次开车，就把汽车的反光镜给碰坏了。
The inner surface is to be metalized as a reflector so the finish is of more importance than the composition.内表面要像反光镜一样的具有金属光泽，所以表面质量要比材质的成分更重要。

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indefinite proficient tutor disposition mischief mortal priority perfect bridge ally version resent administer indoor peripheral induction outfit selection fury white skull elliptical

发表于:2018-12-01 / 阅读(117) / 评论(0)

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SSS 2010-04-27

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Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst

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英文短篇故事（纽约）

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

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VOA常速英语2007年（十一月）

2016年CRI World's largest radio telescope completes installation

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2016CRI中国国际广播电台

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