Of a wild animal, especially a lion, make a loud, deep call.

（尤指狮子等猛兽）发出低沉洪亮的吼声。

Of a person or crowd, shout loudly; laugh very loudly.

指人或人群，大声喊叫；放声大笑。

Of things like engines, wind, or the sea, make a loud continuous noise.

指发动机、风、海浪等发出持续而巨大的声响。

Move or proceed very fast and noisily; act with great energy.

迅速喧闹地前进；以极大劲头做事。

A loud, deep sound or cry, as from a lion, crowd, or engine.

低沉洪亮的声响或吼叫，如狮子、人群或发动机发出的。

A burst of very loud laughter.

一阵极为响亮的笑声。