1. 名詞
   下面, 底面
   下部, 底部
   下側
   陰暗面
   /此名詞複數為"undersides"/
   

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

例句

1. I'm looking up at the underside of it.
2. The gray underside represents the jet age.
3. Pick your notebook up to check the underside .
4. Turn the frond over and look at the underside .
5. Others are glabrous (smooth) on the underside .
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