Recirculated seal
[化] 循环式密封
🧩 词语组成解析
a. 再循环的\\nv. 再循环（recirculate的过去式和过去分词）
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
Well,
那么，
I know the boy whose father is a dentist.
我知道那个男孩的父亲是牙医。
A great many former pupils will be attending a farewell dinner in his honour next Thursday.
很多老同学都准备参加下星期四为他举行的告别宴会。