training aid的用法和樣例：
例句
- I like to have a visual aid to help me with the wonderful buildup I give you.
我想有個(gè)直觀(guān)的教具還有我給你的那些極好的經(jīng)驗來(lái)幫我。 - Parents in Kunshan, Jiangsu, are confused as the teachers of a local kindergarten use Mahjong as teaching aid.
江蘇昆山一家幼兒園因把麻將帶進(jìn)教室當教具，令部分家長(cháng)覺(jué)得難以接受。
