- （最小的正整数） one:
one hundred kilograms;
一百公斤
a book;
一本书
- （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
- （另一） also; otherwise:
Merbromin is also known as mercurochrome.
汞溴红一名红汞。
- （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
- （专一） concentrated; wholehearted:
heart and soul; wholeheartedly
一心一意
- （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?
- （表示动作是一次或短暂的）:
wait a bit;
等一等
give a cough;
咳一声
- （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
- （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。
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