Hydrogen is used extensively in industry for the production of ammonia.氢气在工业上广泛用于制氨。Mark, however, needs to travel extensively with his varied business interests.然而，马克因为各种生意需要频繁出差。He had worked extensively on the anatomy...
His defection to the other side was the ultimate betrayal.他变节投向另一方是最终的背叛.Yet he could not bring himself to regret Draco, because that, too, would be a betrayal.他不能让他自己开始为Draco后悔, 因为即使这样, 也是一种背叛.She felt that what she had...
A large portion of the cytoskeleton consists of threadlike microfilaments composed mainly of the contractile actin.细胞骨架大部分由微丝组成,微丝主要由可收缩的肌动蛋白组成.The eukaryotic cytoskeleton is composed of three basic types of filaments an...