We'd been making cakes and colouring the posters.

　　我們一直在做蛋糕和給海報涂色。

　　She's expert at making cheap but stylish clothes.

　　她擅長(cháng)做便宜但雅致的服裝。

　　The grinder is used for making precision tooling.

　　這臺研磨機用于制作精細工具。

　　I am making a multimedia presentation for my science project.

　　我正在為我的科學(xué)項目做多媒體演示。