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
We have another event to attend on the same day.
那天我们有其他活动要参加。
I didn't hesitate to say it.
我毫不犹豫地把它讲了出来。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。