Metaacetaldehyde
三聚乙醛
🗣️ 情景例句
Ellen reminds me so much of Grandma. Ellen
真让我想起奶奶。
One never loses by doing a good turn.
行善者决无一失。
A few minutes later, I was able to hurry away with precious chalk marks on my baggage.
几分钟后，我终于被放行，手提划着宝贵的粉笔记号的行李，匆匆离去。