When someone has hayfever, the eyes and nose will stream and itch.花粉热临床表现为流泪、流涕，眼睛、鼻子发痒。Let us, however , examine one of the most common allergies ; hayfever.现在让我们来看看最常见的变态反应的一种--枯草热....
他们有大量绝版的精选炉灶。They have a huge selection of discontinued cookers.石棉能用来使烹调用的炉灶绝热.Asbestos can be used to insulate a cooking stove.炉灶里的火对进来的冷空气加热.The fire in the furnace warms this cold air....
Make a checklist of the tools and materials you will need.把你需要的工具和材料开一张单子。A map and a bird-watchers' field checklist are available at the front desk.前台有地图和观鸟地点一览表可供拿取。A printed checklist was provided, undue haste fo...