Abradum
一種拋光用的氧化鋁粉
??? 情景例句
This has been a great learning experience for us, Marilyn.
這對我們是一次很好的學習經驗， Marilyn。
Genius often betrays itself into great errors.
天才常被天才誤。
There are mice next to the refrigerator, under the sink and inside the cupboard!
冰箱邊、洗碗槽下，還有櫥柜里面都有老鼠！