Pentacosane
二十五(碳)烷
🗣️ 情景例句
Do you think you can make yourself understood in English?
你认为你能用英文表达你的想法吗？
When I saw they had left, I was shocked to tears.
当我目睹他们离去时，我悲伤得落下了眼泪。
Do you offer any quantity discounts?
大量购买有折扣吗？