She noticed a loose button on my shirt and sewed it on while we visited.
我们去拜访她时，她注意到我衬衣上的一个扣子松了，还帮我缝上了。
Eurasian herb having loose heads of button-shaped white flowers and long gray-green leaves that cause sneezing when powdered.
欧亚的一种药草，具有由纽扣形状的白花构成的松散花序和长的灰绿色的叶子，其叶被弄成粉后会使人打喷嚏。
Eurasian herb having loose heads of button-shaped white flowers and long gray-green leaves that cause sneezing when powdered.
欧亚的一种药草，具有由纽扣形状的白花构成的松散花序和长的灰绿色的叶子，其叶被弄成粉后会使人打喷嚏。
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