v. 航行（sail的过去分词）
adj. 已开航的

Sail \Sail\, v. i. [imp. & p. p. {Sailed}; p. pr. & vb. n.
{Sailing}.] [AS. segelian, seglian. See {Sail}, n.]
1. To be impelled or driven forward by the action of wind
upon sails, as a ship on water; to be impelled on a body
of water by the action of steam or other power.

2. To move through or on the water; to swim, as a fish or a
water fowl.

3. To be conveyed in a vessel on water; to pass by water; as,
they sailed from London to Canton.

4. To set sail; to begin a voyage.

5. To move smoothly through the air; to glide through the air
without apparent exertion, as a bird.

As is a winged messenger of heaven, . . .
When he bestrides the lazy pacing clouds,
And sails upon the bosom of the air. --Shak.