ultravacuum

例句：

1. 1. The ultravacuum chamber is used to study the behavior of molecules in extreme conditions.
   超真空腔室用于研究在极端条件下分子的行为。
2. 2.The researchers were able to achieve an ultravacuum environment for their experiments.
   研究人员能够为他们的研究实验创造出一个超真空环境。
3. 3. The ultravacuum pump is essential for maintaining a clean and dry environment in the laboratory.
   超真空泵对于实验室保持清洁和干燥的环境至关重要。