flask [flɑ:sk]

以下由轻松背单词网站提供

n.瓶，火药筒，砂箱

a special container that keeps drinks hot or cold

There is some deposit in the bottom of the flask. 这只烧杯的底部有些沉淀物。
He took out a metal flask from a canvas bag. 他从帆布包里拿出一个金属瓶子。