| 例句 |
People thought heat must be, an invisible, tenuous fluid that flowed from hotter to colder places.人们原以为热量是一种无形的、稀薄的液体，从较热处流向凉一些的地方。The higher you climb up the mountain, the rarer the air is.越往山上爬，空气越稀薄。The rarity of the air in the mountains is bad for people with weak hearts.山区稀薄的空气对心脏衰弱者是有害的。This kind of mixer produces light, silky, even-textured batters.这种搅拌机能搅拌出稀薄、柔滑、质地均匀的面糊。The thin air at high altitudes usually tires out people who are not used to the mountains.高海拔的稀薄空气常常会让不习惯爬山的人感到疲劳。A concrete mix should be mushy but not soupy.混凝土应搅拌成糊状，但不可太稀薄。In the mountains, the air is thinner.山区的空气较为稀薄。Both animals and people were gasping for breath in the rarefied air.动物和人在稀薄的空气中都大口喘着气。The atmosphere is very rare at these altitudes.在这么高的地方，空气相当稀薄。High in the mountains the air is thin and it can be hard to breathe.在山的高处空气是稀薄的，这会导致呼吸困难。The air became even thinner when I climbed to the top of the mountain.我爬到山顶时，空气变得更加稀薄了。The line of smoke grew thinner and thinner as it drifted up into the sky.那缕烟飘上天空时变得越来越稀薄。 |