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
It hung over Susan's crib.
Susan的小床也曾有过。
Sorry to have kept you waiting.
抱歉使你久等了。
Hello, Jim. Good! You're at home. How are you?
你好，吉姆，太好了，你在家呢！你好吗？