[yī]
[數(shù)]
（最小的正整數(shù)） one
one hundred kilograms
一百公斤
a book
一本書
the First Company of the First Battalion
一營一連
eleven thousand
一萬一
I have met her once.
我見過她一次。
He was in a class ahead of me at Dalian University.
在大連大學時他比我高一班。
（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
一碼事
Opinions differ.
意見不一。
We are of the same family.
咱們是一家人。
（另一） also; otherwise
Merbromin is also known as mercurochrome.
汞溴紅一名紅汞。
（全； 滿） whole; all; throughout
the whole winter; all winter; throughout the winter
一冬
one's face covered with dust
一臉的土
a star-studded sky
一天星斗
They swam all afternoon.
他們游泳游了一下午。
Everybody in the room was overjoyed.
一屋子的人都歡騰起來。
（專一） concentrated; wholehearted
heart and soul; wholeheartedly
一心一意
（單一； 唯一） single; alone; only one
hit the target with a single shot
一槍就打中了目標
Can you manage all by yourself?
你一個人行嗎?
She went alone.
她一個人去了。
（每一）each; per; every time
four groups with five people in each
四個小組，一組五人
tree meals a day
一日三餐
at 90 kilometres per hour
一小時90公里
ten persons a table
一桌十人
Every time we talk about the hard pioneering days, we have so much to say that we can't get it all out.
大家一提起那艱苦創(chuàng)業(yè)的日子， 總有說不完的話。
[副]
（一旦； 一經(jīng)） once; as soon as
Once seen, never forgotten.
一見不忘。
You will be clear about it as soon as you look at it.
你一看就會清楚的。
At dawn they started off to work in the fields.
天一亮他們就下地干活去了。
Construction will begin as soon as preparations are completed.
一做好準備， 就破土動工。
[名]
[音] （中國民族音樂音階上的一級） a note of the scale in gongchepu （工尺譜）， corresponding to 17 in numbered musical notation
[注意] “一” 單用或在一詞一句末尾念第一聲（陰平）。 在第四聲（去聲）字前念第二聲（陽平）。 如“一半” [yí bàn]; “一共” [yí gòng] 在第一、 二、 三聲 （陰平、 陽平、 上聲） 字前念第四聲（去聲）， 如“一天” [yì tiān]; “一年”[yì nián]; “一點” [yì diǎ]。 本辭典為簡便起見， 條目中起首的“一”字， 都注第一聲（陰平）。