一
一[yī]数词1.■（最小的正整数） one:one hundred kilograms;一百公斤a book;一本书2.■（同一） same:bitter gourds from the same vine; people with a similar bitter past;一根藤上的苦瓜the same thing;一码事3.■（另一） also; otherwise:Merbromin is also known as mercurochrome.汞溴红一名红汞。4.■（全; 满） whole; all; throughout:the whole winter; all winter; throughout the winter;一冬one's face covered with dust;一脸的土5.■（专一） concentrated; wholehearted:heart and soul; wholeheartedly一心一意6.■（单一; 唯一） single; alone; only one:hit the target with a single shot;一枪就打中了目标Can you manage all by yourself?你一个人行吗?7.■（表示动作是一次或短暂的）:wait a bit;等一等give a cough;咳一声8.■（每一）each; per; every time:four groups with five people in each;四个小组，一组五人tree meals a day;一日三餐9.■（用在动词或动量词前面， 表示先做某个动作， 下文说明动作结果）:get over in one jump;一跳跳了过去This explanation of his restored our confidence.经他这么一说， 大家又都有信心了。副词1.■（一旦; 一经） once; as soon as:Once seen, never forgotten.一见不忘。You will be clear about it as soon as you look at it.你一看就会清楚的。助词1.■（用在某些词前加强语气）:be as easy as catching a turtle in a jar;一似瓮中捉鳖To think that things should have come to such a pass!事态之严重一至于此!名词1.■{音} （中国民族音乐音阶上的一级） a note of the scale in gongchepu （工尺谱）， corresponding to 17 in numbered musical notation
