They're made with a combination of proprietary synthetic rubber compounds, which are paired with aluminum steel reinforcements and nylon and aramid fabrics.

它们是由专用合成橡胶化合物与铝钢增强材料以及尼龙和芳纶织物组合而成的。

In 1856, 18-year old English chemist William Henry Perkin accidentally created a synthetic purple compound while attempting to synthesize quinine an anti-malaria drug.

1856 年，英国一位 18 岁的化学家 William Henry Perkin 在合成奎宁和抗疟疾药时，意外制造出一种紫色复合物。

Truffle oils have also popped up everywhere, but they’re usually made from synthetic compounds, not from real truffles.

松露油也随处可见，但它们通常由合成化合物制成， 而不是真正的松露。

The pumpkin spice flavor pack accounts for those changes, using synthetic compounds that highlight the strongest notes of pumpkin spice flavors -- once the pie’s out of the oven, that is.

南瓜香料风味包说明了这些变化，使用合成化合物突出了南瓜香料风味的最强烈味道——一旦馅饼从烤箱里出来， 就是这样。