Acid content
[机] 酸性含量
🧩 词语组成解析
🗣️ 情景例句
What are you working on?
你在干什么？
Suppose you couldn't go on the trip.How would you feel?
假定你不能继续你的旅行，你将感觉如何？
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。