reinforcing action造句

• We can use these early years profitably to establish a secure background by introducing new sights , new sounds , and constructive exercises , including the use of voice commands and body language to reinforce actions
  我们可以利用早期的这些年通过新的景象，新的声音，以及积极的训练，包括使用口令和肢体语言来增强行动有利地建立一个安全背景。