1. Little wonder that the material used to keep the rooms warm was polyurethane foam, a material that can easily catch fire and once on fire emits toxic gases.
2. But 20 kg of coal would be required to keep one square meter of indoor space warm for a month through a central heating system.
3. The plate is served inside another iron frame with charcoal below to keep the dish warm.
4. On a pleasant spring or fall afternoon, the sun's rays shine through the glass to keep diners warm and full of cheer.
5. The astronauts plan to pack up shrouds that were needed to keep equipment warm in the deep chill of space.
6. 911查询·英语单词
6. Northern Shanxi can be quite chilly in winter, so rural families use heated earthen or brick beds to keep them warm.
7. Cinnamon is a spice that is considered nature's perfect insulator - helping you keep warm when you are cold and cool when you are overheated.
8. Many people wore conical party hats and 2010 glasses that blinked colorfully, and some were jumping up and down to keep warm.
9. keep warm的意思
9. Medical experts advised citizens not to stay too long outdoors and urged the aged and the weak to keep warm and avoid possible colds.
10. Some 300 kilograms of scarves have been made by more than 30 volunteers to help keep the trees warm and decorate the city.