1. 副詞
   平滑地, 平穩地
   流暢地, 順利地
   圓滑地, 口齒伶俐地
   

   同義字詞
   easily,easy,effortlessly,facilely,fluently,freely,handily,hands down,lightly,painlessly,readily,well
   

例句

1. The climb was going very smoothly .
2. It didn't shut smoothly as the others.
3. But things didn't always go smoothly .
4. Can we easily and smoothly return from .
5. Videos on YouTube played smoothly as well.
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