婆婆纳属的植物在他们的眼里也是花，那蓝色就像是一首欢乐的歌谣，小米草也是一样，清除了旅途带来的灰尘。
Speedwell is their flower too, with its blue like a song of cheer, and so is eyebright, which clears away the dust of travel.
小米草：一种小米属植物，带小的对生的，齿状叶子和白色并且略显紫色的穗状花序。
Eyebright: any of several plants of the genus euphrasia having small opposite toothed leaves and white and purplish flowers grouped in spikes.
小米草：一种小米属植物，带小的对生的，齿状叶子和白色并且略显紫色的穗状花序。
Eyebright: any of several plants of the genus euphrasia having small opposite toothed leaves and white and purplish flowers grouped in spikes.
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