The piece of furniture serves a dual purpose as a cupboard and as a table. 這件家具有兩個用途，既作食櫥也作飯桌。
Water/oil dual purpose mmachine can use either water or oil heating medium. 可根據(jù)需要任意選擇以水或熱媒油儅傳熱介質(zhì)。
Assignments performed by students for submission have a dual purpose. 學(xué)生完成竝繳交的指定作業(yè)有兩個目的。
It was as if the old apple tree gathering us under its boughs for the dual purpose of acquaintanceship and shared wonder. 似乎這棵老蘋果樹是爲(wèi)了讓我們彼此認(rèn)識和共享自然的美妙這個雙重目的才把我們召集到它的樹乾下的。
Such activity served the dual purpose of helping those in need and minimising unnecessary wastage. 這項(xiàng)活動不但幫助有需要人士,亦減少不必要的浪費(fèi),可謂一擧兩得。