这是三个形近单词。 diary: 日记（a daily record of events in one's life）或“日记本”。
keeping a diary will do us a lot of good. 记日记对我们大有裨益。
i got out my diary and made a note in it. 我掏出日记本，在上面作了摘录。
dairy: “牛奶店”或“乳品场”（ a place where milk，butter or cheese is produced or sold）。
the dairy farm keeps many dairy cows. 乳牛场饲养了很多乳牛。
dairy products are among the chief exports of australia. 乳制品是澳洲主要出口之一。
daily: ／日报（newspaper sold every day）；它亦可用作形容词和副词，表示“每日”（every day）之意。
we have subscribed to the china daily. 我们已订阅《中国日报》。
we made daily visits to him when he was hospitalized. 他在住院期间，我们每天都去探望他。
they phoned the hospital daily to find how he was. 他们每天打电话给医院询问他的病况。
英语解释
名词 dairy:
a farm where dairy products are produced同义词：dairy farm
例句
The business of owning and operating a dairy or a dairy farm.乳品业拥有和经营乳品公司或乳牛场的商业
One of a breed of small, black dairy cattle of Irish origin.克立牛一种产于爱尔兰的黑色小乳牛
Milk, butter and cheese are brought in here from dairy farms.牛奶、奶油、奶酪从牛奶场运到这里。
详细解释
dair.y n.（名词）【复数】dair.ies A commercial establishment for processing or selling milk and milk products.牛奶公司，乳品店：一种加工或出售牛奶和奶制品的商业机构A place where milk and cream are stored and processed.乳品间，制酪场：贮存和加工牛奶和奶油的场所A dairy farm.酪农场The dairy business; dairying.乳品业；酪农业adj.（形容词）Of, for, or relating to milk or milk products:牛奶的，乳制品的：牛奶的、乳制品的，为制成牛奶的、乳制品的，或与之有关的：例句：the dairy section at the grocery store.杂货店的乳品部 Of or relating to dairying.乳制品的：乳制品的，或与之有关的Judaism Of, relating to, or intended for the consumption or preparation of milk or milk products exclusively, as dictated by dietary law.【犹太教】 奶制品管理法：饮食法中所规定的，或与之有关的，或打算只限于消费或配制牛奶或奶制品的 来源：Middle English daierie 中古英语 daierie from Anglo-Norman 源自 英法语 Middle English daie [dairymaid] from Old English dôge [bread kneader] * see dheigh- 中古英语 daie [挤奶女工] 源自 古英语 dôge [面包揉和器] *参见 dheigh- -erie [place] from Old French * see -ery-erie [地点] 源自 古法语 *参见 -ery