猫不高兴时会喵喵叫，高兴时会发出呜呜声。Cats miaow when they are unhappy, purr when they are happy.穿过水坑时汽车的轮胎发出呜呜声。The car's tires whispered through the puddles.远处传来呜呜声.The hoots came from the distance....
The report had all the hallmarks of a rushed job.这篇报告到处都是仓促了事的痕迹。The burglary had all the hallmarks of a professional job.从各方面来看,这起入室行窃案都是职业惯犯做的.The plan has all the hallmarks of being a total failure.这个方案具有彻底失败的一切标志....
He pulled the lightened sled with all his strength.他用尽全力拉减轻了重量的雪橇。As they approached the outskirts of the city, Ella's mood visibly lightened...他们快到市郊时，埃拉的情绪明显好转。As they approached the outskirts of the city, Ella�...