Vacuum seal
[化] 真空密封
🧩 词语组成解析
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
What's the weather like in Japan this time of year?
现在日本的天气怎么样？
How much do you charge per unit?
你们每件要价多少呢？
May I know the quantity you require?
请问你们需要多少数量的货物？