purchase sth
及物动词，直接跟所购物品。
She purchased a new car last week.
她上周购买了一辆新车。
购买；买
purchasing — present participle of purchase
获得；取得；付出代价获得；以（努力、牺牲等）换得；用机械装置举起/移动；在…上取得支撑；能购买；价值为；努力争取；奋力
to buy something, especially in a formal context
购买；用金钱或等价物支付以获得。
To buy, obtain by payment of a price in money or its equivalent.
追求并获得；通过寻求而取得；获得。
To pursue and obtain; to acquire by seeking; to gain, obtain, or acquire.
通过付出劳动、危险、牺牲等任何代价而获得。
To obtain by any outlay, as of labor, danger, or sacrifice, etc.
以罚款或没收抵偿。
To expiate by a fine or forfeit.
为(某物)安装省力装置；对其施加抓力或使用省力装置；用机械方式提升或移动。
To apply to (anything) a device for obtaining a mechanical advantage; to get a purchase upon, or apply a purchase to; to raise or move by mechanical means.
为获得某物而努力；奋斗；竭尽全力。
To put forth effort to obtain anything; to strive; to exert oneself.
构成购买的购买力；具有交易价值。
To constitute the buying power for a purchase, have a trading value.
一般现在时
I purchase groceries every week.
我每周购买杂货。
一般过去时
She purchased a new car yesterday.
她昨天购买了一辆新车。
现在完成时
They have purchased a house.
他们已经购买了一栋房子。
规则动词
She decided to purchase a new laptop for her studies.
她决定为学习购买一台新笔记本电脑。
用法提示：此处purchase作及物动词，意为‘购买’，后接宾语a new laptop。
We purchased the tickets online last night.
我们昨晚在网上购买了门票。
用法提示：purchased是purchase的过去式，表示过去发生的购买行为。
He is planning to purchase a house in the suburbs.
他正计划在郊区购买一所房子。
用法提示：purchase作动词，用于不定式结构to purchase，表示计划中的购买。
及物动词，直接跟所购物品。
She purchased a new car last week.
她上周购买了一辆新车。
用介词from指明来源。
We purchased the house from a local developer.
我们从当地开发商那里购买了这栋房子。
用介词for指明受益者。
He purchased a gift for his wife.
他为妻子购买了一份礼物。
grammar · medium
易错句子I purchase a book yesterday.
正确表达I purchased a book yesterday.
购买(purchase)的过去式是purchased，而purchase用于一般现在时。由于时间状语yesterday明确为过去，应使用过去式purchased。
grammar · medium
易错句子I purchased book from store.
正确表达I purchased a book from the store.
购买物品时，英文中可数名词前通常需要冠词a/an或the，而中文没有这个语法要求。因此应加上a和the。
动词'purchase'（购买）的直接反义词，表示通过交易转移所有权以换取金钱。
购买房屋
They plan to purchase a house in the suburbs.
他们计划在郊区购买一所房子。
购买票
You can purchase a ticket online.
你可以在网上购买一张票。
购买商品
The company purchases goods from local suppliers.
该公司从当地供应商处购买商品。
购买产品
Customers can purchase the product directly from the manufacturer.
客户可以直接从制造商那里购买该产品。
购买股票
He decided to purchase shares in that company.
他决定购买那家公司的股票。
购买一件物品
She purchased an item from the online store.
她从那家在线商店购买了一件物品。
purpose（目的），pursue（追求），pursuit（追求；追赶）
chase（追逐），chaser（追逐者）
购买时需支付金额，常与purchase搭配使用。
价格是购买时考虑的关键因素。
购物行为与购买紧密相关。
购买是一种交易行为。
购买后通常获得收据作为凭证。
Dictionary facts from ECDICT, WIKTIONARY.