Sailing is the activity or sport of sailing boats.
例句
There was swimming and sailing down on the lake.有人在湖上游泳和扬帆。
N-COUNT
水运航班
Sailings are trips made by a ship carrying passengers.
例句
Ferry companies are providing extra sailings from Calais...渡船公司加开了从加来出发的航班。We'll get the next sailing.我们将坐下一班船。
PHRASE
轻而易举的;一帆风顺的
If you say that a task was not all plain sailing, you mean that it was not very easy.
例句
Pregnancy wasn't all plain sailing and once again there were problems...孕期并非一帆风顺,这不,又出现问题了。We know it won't be plain sailing at Wembley because there are no easy games at this level.我们知道在温布利不会顺风顺水,因为在这一级别就没有轻松的比赛。