Ultravacuum vessel
[化] 超真空容器
🧩 词语组成解析
超真空
🗣️ 情景例句
I must say the products in Shanghai have improved very much in the past ten years.
我得承认上海的产品这十年来进步了很多。
Tell me about you trouble.
把你的烦恼告诉我。
You will not have to spend the next few days recovering from a long and arduous journey.
用不着因为漫长的旅途的辛苦而花几天时间休息来恢复精神。