n.植物園；樹木園
The arboretum is full of exotic flowers and rare herbs. 植物園里長滿了各種奇花異草。
How many golden larches are there in the arboretum? 植物園里有幾棵金錢松?
The arboretum is a world treasure trove of botanical resources. 這個植物園是世界植物資源的寶庫。
