I'd like to see an overcoat for the autumn. Not too heavy and not too light.
我想看看秋装外套,不要太厚也不要太轻的。
If your sky is not too light-polluted, you might try making a careful meteor count and reporting it to the International meteor Organization.
如果你观赏的天空没被光污染弄得太亮,你可以试着认真数一下流星的数量并报给国际流星组织。
Because the flash must survive multiple reflections without being absorbed or becoming too weak, not just any light can be used. It must be a laser.
因为闪光必须在反射若干次后不被吸收或者变得太弱,所以不是所有的光都可以用,必须是激光。
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