Packed reaction column
[化] 填充反应柱
🧩 词语组成解析
packed
[pækt]
adj. 充满…的;塞满了…的;
v. 包装(pack的过去式和过去分词);
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
She's an easy-going teacher.
她是位随和的老师。
I have to hang up now.
我现在不得不挂电话了。
How was your weekend?
你周末过得怎么样？