There are plenty of places around the globe where people have no access to heavy machinery but do know how to deal with wind, sailing and basic mechanical principles.
在世界上有很多地方,人们都无法使用重型机械,但却知道如何处理风力、航行和基本的机械原理。
Pregnancy wasn't all plain sailing and once again there were problems.
怀孕并非一帆风顺,又一次出现了若干问题。
There was swimming and sailing down on the lake.
湖上有游泳的和驾船的。
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