每日口說挑戰 先別把蛋殼丟掉！原來蛋殼這麼多用處？(Never Throw Out Your Eggshells, And Here's Why)

今日挑戰句子

Think of things like citrus rinds, sourdough starter, and of course, eggshells.

像是柑橘皮、酵母發酵劑，當然還有蛋殼。