例句與造句

1. Interest in a Des Moines botanical center began in 1929 . A city greenhouse was acquired on the west side of the river in 1939, which served the city as a production and display greenhouse until the Botanical Center was completed in 1979 . From 2004 to December 31, 2012, the facility was operated on behalf of the city by Des Moines Water Works.
2. It's difficult to find display greenhouse in a sentence. 用display greenhouse造句挺難的