例句：

　　The sun was already up when they set off.

　　他們出發(fā)時太陽已經升起了。

　　Place the plants on a sunny windowsill.

　　把這些植物放在陽光充足的窗臺上。

　　Hers was an essentially sunny cast of mind.

　　她本質上是屬于陽光快樂的性格。