Saponification column
[化] 皂化塔(连续皂化装置)
🧩 词语组成解析
n. 皂化\\n[化] 皂化
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
You know something?
知道吗？
Children enter school at the age of five,don't they?
孩子们在5岁时入学吗？
Is the cut still painful?
伤口还在痛吗？