All carbohydrates originate from plants.所有的碳水化合物均来自植物。The man can neither originate varieties, nor prevent their occurrence.人类既不能创造变种, 亦不能阻止变种发生.Fungal - decay can, in fact , originate within the standing tree.菌腐朽可起源于立木阶...
The Geminides originate from mysterious 3200 Phaethon , which is an asteroid.双子座流星雨是由神秘的第3200号小行星“非以颂”产生的.The internal lamellae originate from an invagination of the inner of double membranes surround the plastid.片层起源于围着...