Concentric tube column
[机] 同心管精密蒸馏注
🧩 词语组成解析
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
I'd like two cheeseburgers all-dressed, please.
我的奶酪汉堡什么料都要。
Be my guest.
别客气。
Just then, the gaoler appeared with the precious letter in his bands.
这时狱卒上场，手里拿着那封珍贵的信。