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- Langdon Down, who is best known for having identified Down syndrome, described 10 people with savant syndrome. 他在伦敦主持俄尔斯伍德精神病院的30年间，遇见了这些引人注目的人物。
- British doctor named John Lendon Langdon Down first described it in the 1860s1860's. 这位阿拉斯加州长和她的丈夫还有另外四个孩子，都没有“唐氏综合症”。
- While this is controversial and still speculative, there are also indications these practices can even slow down disease progression, says lead author David Burke, a neurologist at St Vincent's Hospital in Sydney. 悉尼圣文森特医院神经科专门医师、要作者大卫?克说，人们对此争论不休，这仍是一种推测，也有些人认为，这些方法甚至能减慢该病的发展速度。
- But“ disease detectives” might be the better name Epidemiologists chase down diseases that endanger large groups of people. 在香港的医学专家一天工作17个小时来研究沙士的起因和传播途经。
- Langdon Down's disease 兰登·道恩(氏)病:先天愚型, 同道恩(Down)(氏)综合征
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- The deer was peppered with shot all down one side. 那只死鹿的半边身子都被子弹击中。
- The maid did down the walls with a duster. 女佣用掸帚由上而下地刷除四壁上的尘垢。
- Bind down the ropes around the load on the lorry. 把绕在卡车上货物外面的绳子扎紧。
- He was not a man to sit down with affront. 他并不是一个可以忍受当众侮辱的人。
- One of the fishing boats sank down astern of us. 有一艘渔船在我们后面沉没了。
- He slicks his hair down with oil every day. 他每天搽油把头梳得光溜溜的。
- The chair sagged down under the fat man's weight. 椅子经这胖人一坐便压弯了。
- Our torpedo boats bore down on the enemy cruiser. 我方面鱼雷艇向敌巡洋舰冲去。
- Let's clean down the board before we paint it. 让我们在上漆以前把这块板洗干净。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- The children walk down the street hand in hand. 孩子们手拉手地在街上散步。
