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....
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�...
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....