1. 音标：

/ˈpɜː.tʃəsɪz/

2. 意思：

purchases 是名词 "purchase"（购买）的复数形式，表示“购买的物品”或“购买行为”。

3. 翻译：

purchases = 购买（的东西）；采购；购置

4. 用法：

作为名词：指已经购买的物品或购买行为。

作为动词：是动词 "purchase" 的第三人称单数形式，表示“购买”。

5. 例句：

I made several purchases at the store today.
（今天我在商店里做了几笔购买。）

The company has made some large purchases recently.
（公司最近做了一些大宗采购。）

His recent purchases include a new car and a laptop.
（他最近的购买包括一辆新车和一台笔记本电脑。）

She bought all the necessary items for the trip during her purchases.
（她在购物时买了所有旅行所需的物品。）

Online purchases have increased significantly in the past few years.
（过去几年，在线购物大幅增加。）

The store offers discounts on bulk purchases.
（这家商店对大宗采购提供折扣。）

They made their purchases and then headed for the exit.
（他们做完购物后朝出口走去。）

The purchases were delivered to her home the next day.
（这些物品第二天就送到了她家。）

After my purchases, I realized I had spent more than expected.
（在购物后，我意识到自己花了比预期多的钱。）

We need to review all recent purchases for accuracy.
（我们需要审核所有最近的购买是否准确。）

6. 短语搭配：

make purchases - 做购买

Example: He made some purchases at the mall yesterday.

recent purchases - 最近的购买

Example: Keep the receipts for any recent purchases.

purchases on credit - 信用购买

Example: Many people prefer to make purchases on credit for big items.

bulk purchases - 大宗采购

Example: Bulk purchases of office supplies are often cheaper.