1. reaction n.反应; 反作用力; 反动
例句:Catalysis has increased the rate of reaction.
催化作用提高了反应的速度。
2. remove vt.去除; 开除; 脱掉
例句:Completion of this work will remove the threat of drought and water-logging.
完成了这项工程,将消除旱涝威胁。
3. expect vt.期望; 预料; 要求
例句:I expect to have my work cut out for me.
我盘算,我的工作早已有了。
4. additional adj.补充; 额外的,附加的
例句:The printer can set this additional page in here.
这位印刷工把这额外的一页加在这里。