它是只普通的蜘蛛、黑寡妇还是塑料蜘蛛？
Is it a house spider, a black widow spider, or a plastic spider?
科学家们通过一种名为“原子层沉积”的化学方法在普通的蜘蛛丝上镀上锌原子、钛原子或者铝原子。
The scientists used a process called atomic layer deposition to coat some spider silk with zinc, titanium or aluminum.
但那究竟是只普通的蜘蛛、黑寡妇(蜘蛛的一种)、还是塑料蜘蛛？
But is it a house spider, a black widow spider, or a plastic spider?
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