Highest vacuum seal
[化] 强真空密封
🧩 词语组成解析
[计] 最高
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
but when I received the letter
但是当我收到那封信
What do you mean? not at all!
哪有？
Mr.Wang is fixing his bike.
王先生在修他的自行车。