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
Do you live in New York?
住在纽约吗？
How much of a volume discount are you prepared to offer?
总折扣你们准备提供多少？
when the plane suddenly turned round and flew back to the airport.
这时飞机突然调转头来，飞回了机场。