The only alternative is to become a species who heroically reach for the stars -- only to smack into a wall of our own trash.

如果做不到这点，我们只能变成这么一个物种：百折不挠地向外空群星进发，却只能撞到由我们的垃圾组成的墙上。

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Worse still, the neighboring wall collapsed and crushed dead more than 30 species, 100 seedlings.

邻家的墙倒了下来，菊秧被砸死者约三十多种，一百多棵！

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A capsule, a slimy layer outside the cell wall, further encloses certain species. The capsule causes the cell to be resistant to destructive chemicals.

荚膜是细胞壁外围的一个粘性膜层，将某些种类的细菌进一步包围起来，使细胞对于破坏性化学物质具有抵抗力。

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They sometimes seem like an endangered species these days on Wall Street.

FORBES: Magazine Article

The research team are therefore also looking for a species of algae with a weaker cell wall and high oil content.

BBC: Bath's Roman Baths algae could fuel cars

By that species that lived amongst the old rock wall.

NEWYORKER: Tenth of December