Oliver Chadwick: We have evidence that suggests that now the planet is much dustier now than it was just a few hundred years ago.
奥利弗·查德威克：我们有证据显示，如今的地球“满身尘土”，与区区几百年前的时候相比便已大相径庭。
If the house seems dustier than it used to be, it may not be a reflection on your housekeeping skills.
如果房间看起来比以前的脏，可能并不是你家务管理出了问题。
He said one reason Earth has gotten dustier is connected to the rise of modern agriculture.
他说，地球变得愈发“肮脏”，其中一个原因与现代农业的兴起有关。
And it makes the air dustier around here.
而且它还给这附近带来了空气粉尘。
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