n.卵形瓶，（吹管分析用）硬质细玻璃管

I just bought a new memory foam mattress for my bedroom.
我刚买了一个新的记忆棉床垫放在我的卧室里。
The old mattress was so worn out, it needed replacing.
那个旧床垫太破旧了，需要更换。
She carefully adjusted the position of her king-size mattress on the bed frame.
她小心翼翼地调整她的大号床垫在床架上的位置。
The hotel provided high-quality mattresses to ensure guests' comfort.
酒店提供了高品质的床垫以确保客人的舒适度。
They flipped the mattress every six months to maintain its even wear.
他们每六个月翻一次床垫，以保持其均匀磨损。
The adjustable base allows you to customize the firmness of your mattress.
可调节的底座让你可以根据自己的喜好调整床垫的硬度。
I spent hours researching before purchasing the eco-friendly mattress.
购买环保床垫前，我花了很长时间做研究。
The delivery men were struggling to carry the heavy queen mattress up the stairs.
运送工人费力地将沉重的皇后床垫搬上楼。
A good night's sleep starts with a comfortable mattress and supportive pillow.
良好的睡眠始于舒适的床垫和支撑枕头。
She decided to donate her old mattress to a local charity instead of throwing it away.
她决定把旧床垫捐给当地的慈善机构，而不是扔掉。