smoothly
adverb uk/ˈsmuːð.li/ us/ˈsmuːð.li/
B2 顺利地，顺畅地
easily and without interruption or difficulty
The road was blocked for two hours after the accident, but traffic is now flowing smoothly again. 事故发生后，这条路堵塞了两个小时，不过现在交通又恢复畅通了。
Lead is added to fuel to make car engines run more smoothly. 燃油中加入了铅，以使汽车引擎更流畅地运转。
The pregnancy's gone very smoothly so far. 迄今为止，怀孕以来一切正常。
If all goes smoothly, we should arrive by nine o'clock. 如果一切进展顺利，我们应该9点之前就能到。
C2 平稳地
without any sudden movements or changes
I drove through the gates, which closed smoothly behind me. 在我开车驶过，大门在后面稳稳地关上了。