Reaction column
[化] 反应塔
🧩 词语组成解析
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
Well, assume that if you care about Michelle
噢， 假如你关心 Michelle
Comets to appear
彗星出现了
How long has Jim been at his school?
吉姆到校有多长时间了？