例句與造句

1. The mechanism of reduction was formerly thought to involve a peroxide intermediate, which was believed to lead to superoxide production.
2. A study in 2004 found that 46 % of primary gastric cancers had reduced expression of NEIL1 mRNA, though the mechanism of reduction was not known.
3. Though the enzyme uses molecular oxygen as an electron acceptor, the oxygen atom that is incorporated into the carboxylate product is from water; however, the exact mechanism of reduction is still not known for AO.
4. It's difficult to find mechanism of reduction in a sentence. 用mechanism of reduction造句挺難的