Ultravacuum vessel
[化] 超真空容器
🧩 词语组成解析
超真空
🗣️ 情景例句
This winter has been a cold one.
目前来看，今年冬天算比较冷的。
My brother wants to learn how to swim.
我的兄弟要去学游泳。
What do you think of my new car?
你觉得我的新车怎么样？