A leaf is a beautiful thing. It is also a wonder of chemical engineering.
一片树叶是如此美丽，它是化学工程的奇观。
It made Lydia wonder whether gentility might be a product of genetic engineering.
它使利迪娅考虑文雅是不是遗传工程的成果。
It made Lydia wonder whether gentility might be a product of genetic engineering.
它使利迪娅考虑文雅是不是遗传工程的成果。
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