training aid

• 教具

training aid的用法和样例：

例句

1. I like to have a visual aid to help me with the wonderful buildup I give you.
   我想有个直观的教具还有我给你的那些极好的经验来帮我。
2. Parents in Kunshan, Jiangsu, are confused as the teachers of a local kindergarten use Mahjong as teaching aid.
   江苏昆山一家幼儿园因把麻将带进教室当教具，令部分家长觉得难以接受。