She lifted her arm, then, as an afterthought, picked a tiny blue cornflower from one of her pots, and tied it carefully to the string.

她抬起手臂， 然后，事后想了想，从她的一个花盆里摘了一朵蓝色的小矢车菊， 小心地系在绳子上。

You're not going to find many gray flowers but you'll find various tones of blue such as the veronica persica that i'm wearing today or something like a blue cornflower that incorporates a bit more of a violet tone.

你不会找到很多灰色的花，但你会发现各种蓝色调，比如我今天穿的 veronica persica 或类似蓝色矢车菊的东西，它融合了更多的紫罗兰色调。