If I focus the rays of sun with a burning glass, even in the coldest days of winter, I can kindle a fire with ease.

如果我用取火镜聚集太阳光，即使在最寒冷的冬天，我也可以轻松燃起火来。

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This was intended to exclude the direct rays of the sun.

这是用来阻挡太阳直射光线的。

《柯林斯英汉双解大词典》

It's safer to fake a tan with make-up rather than subject your complexion to the harsh rays of the sun.

用化妆来伪造棕褐色的皮肤比让皮肤暴露于强烈的太阳光线更安全。

《柯林斯英汉双解大词典》

The flame, meant to represent purity, was kindled from the rays of the sun using a parabolic mirror in a ceremony on 10 May at Olympia, the home of the ancient Olympic Games.

BBC: Olympic torch: Huge crowds turn out to cheer flame

Each day, when the first rays of sun warm its ochre walls, the doline comes alive with the sounds of the red-green macaw, as formations of these exotically-plumaged parrots dive and wheel below the lip, periodically alighting en masse to bicker, preen and survey their domain.

BBC: Livin�� la vida Bonito

As Darwin had suggested, heat and electricity were added to the mix to mimic the effects of vulcanism and lightning (later experiments also included light of the ultraviolet variety, to represent the powerful rays of the young sun).

ECONOMIST: Stanley Miller