他们搭设了植物蔬菜架，并且铺平了部分屋顶，使人们可以轻松地在屋顶上步行和种植。
They built planters and paved part of the roof so people can walk easily among the plantings.
他最近的一个项目是把一些常见的蔬菜在运用到实验中，让植物生长。
One of his latest projects has been to make plants grow in experiments using some common vegetables.
你可以用西红柿、黄瓜和青豆等高价蔬菜建造一个可食用的菜园，这样每株植物可以节省23美元。
You can save up to $23 per plant by building an edible garden with big-ticket vegetables like tomatoes, cucumbers, and green beans.
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