The raven perches on the branch.
渡鸦在树枝上栖息。
The call of the raven is very loud.
渡鸦的叫声很嘹亮。
The raven perched on the old oak tree.
渡鸦栖息在那棵老橡树上。
The raven's feathers glistened in the sunlight.
渡鸦的羽毛在阳光下闪闪发光。
The raven is often considered a symbol of bad luck.
渡鸦通常被认为是不祥的象征。