| 单词 | training aid |
| 释义 | training aidnouna mechanical contrivance used to supplement other forms and methods of training: Motion pictures and slides were used as training aids. Words nearby training aidtraineeship, trainer, trainer sock, training, Training Agency, training aid, training college, training group, training pants, training school, training ship Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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