Over 5,000 hours of work went into this software, and today it's my privilege to bring it to you.
这种软件的研制超过5000工作小时,今天我很荣辛地向你们展示它。
One wonders also why Nature, with some snakes, concocted poison of such extreme potency.
然而,在脊椎动物中,大自然神秘模测地只选择了蛇(还有一种蜥蜴),人们弄不清楚大自然为什么在某些蛇的身上调制出如此高效的毒液来。