It not only affected the chemical signals of fertility, but it also obliterated the signals of an animal's individual identity.
它不仅影响了生育能力的化学信号，而且也截断了能显示动物个体特性的信号。
2
The compressed syngas then flows over a specially designed catalyst—a solid material that holds the individual reactant molecules and preferentially encourages particular chemical reactions.
这种催化剂是一种固体物质，能够固定单个反应物分子并优先让反应物分子发生化学反应。
3
Christine Drea: it not only affected the chemical signals of fertility but it also obliterated the signals of an animal's individual identity.