n. the sound made by a lion
v. make a loud noise, as of wind, water, or vehicles
v. act or proceed in a riotous, turbulent, or disorderly way
v. laugh unrestrainedly and heartily
n. 吼, 咆哮, 轰鸣
vi. 吼, 大声说出, 叫喊, 喧闹
vt. 呼喊, 使轰鸣
1. The lion will roar loudly to mark its territory.
狮子会大声吼叫来标记它的领土。
2. I could hear the roar of the crowd at the concert.
我能听到音乐会人群的欢呼声。
3. The thunder made a loud roar during the storm.
暴风雨期间，雷声发出巨大的吼叫声。