A meaningful artifact (photograph, family heirloom, sentimental object or keepsake). If you choose a photograph, you may want to append a copy to your exercise.是什么意思_A meaningful artifact (photograph, family heirloom, sentimental object or keepsake). If you choose a photograph, you may want to append a copy to your exercise.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句