n.棲木；鳥窩；棲息處

v.棲息；安歇

Chickens sit on a roost at night. 雞夜晚棲息在竿子上。

Look! There is a roost in this tree. 看!這棵樹上有個鳥巢。

One of the main starling roosts is on top of the Town Hall. 市政廳的房頂是星椋鳥的一個主要棲息處。

The eaves of this deserted house have become the roost for pigeon. 這所無人住的房子的屋檐成了鴿子的歇息處。

In fact, there is not a peak roosting time.The birds roost all year. 實際上，并沒有棲息高峰這一回事，鳥兒終年棲息。

Her selfishness will come home to roost someday. 她的自私總有一天會得到報應(yīng)。