她穿着加拿大队的运动衫，戴着羊毛帽和太阳镜，拿起金牌，拍了张照片，把奖品翻过来看背面。
Wearing a Canada team sweatshirt, a woolen cap and sunglasses, she picked up the gold medal, snapped a photograph and turned over the prize to see the back.
当蝗虫群被发现时，科学家会用铲子弄来一些虫子，然后在它们的背面贴上反射镜。
When a swarm is detected, the scientists will scoop up a few dozen insects and glue little reflectors on their backs.
射电望远镜安装在月球背面就可以探测到那些无法在地球表面被检测到的长波，因为它们都被地球大气层的最外层吸收了。
A lunar-based radio telescope would be able to detect long wavelengths that cannot be sensed on Earth because they are absorbed by the outermost layers of the planet's atmosphere.
钞票的背面是科研人员在显微镜前研究DNA排列和心电图。
On the other side of the bill, there's an image of a researcher at a microscope, a strand of DNA and an electrocardiogram.
反射镜的背面应经常与空气接触但无需通风。
The reverse side of the mirror should be in continuous contact with air without needing ventilation.
反射镜的背面应经常与空气接触但无需通风。
The reverse side of the mirror should be in continuous contact with air without needing ventilation .
它装配了闪烁的背面彩色光以及反光镜，在这个季节，可以把你的手臂照亮。
With a flashing coloured back light and mirrored glass the Illuma will light up your arm this season.
它装配了闪烁的背面彩色光以及反光镜，在这个季节，可以把你的手臂照亮。
With a flashing coloured back light and mirrored glass the Illuma will light up your arm this season.
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