The flask is completely watertight, even when laid on its side.即使平放，这个真空水杯也是滴水不漏。There's some sandwiches here and a flask of coffee.这里有些三明治和一瓶咖啡。She made sandwiches, filled a flask and put sugar in.她做了三明治，把保温瓶灌满，又放了...
She had a habit of taking an occasional nip from a flask of cognac.她有偶尔喝一小口干邑的习惯。The vacuum flask has a strong casing, which won't crack or chip.这种热水瓶瓶身坚固，不易断裂破碎。...the vacuum flask that was resting on top of the st...