1. 名詞
   underside複數: 下面, 底面
   下部, 底部
   下側
   陰暗面
   

   同義字詞
   bottom,underbelly,underbody,underpart,undersurface
   

例句

1. The undersides are white in color.
2. The undersides of the wings are speckled.
3. Check the undersides of the infected leaves.
4. The undersides of nosings shall not be abrupt.
5. The undersides of the leaves are slightly downy.
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