名词
中文翻译：真空吸管
同义词：
['vacuum flask', 'vacuum funnel']
例句：
-
1.The vacuum dropper is used to remove air from a container.
真空滴管用于从容器中移除空气。
-
2. The vacuum dropper was designed to make filling the bottle easier.
真空滴管的设计是为了使填充瓶子变得更加容易。
-
3.The vacuum dropper was used to test the seal of the lid.
真空滴管被用来测试盖子的密封性。