清晨鸟叫得最欢.Birds sing loudest in the early morning.飞机已准备好, 引擎发动起来象鸟叫一样动听.The kite's all ready, and the engine's as sweet as a bird.几码路开外的树林中,一只鸟叫了起来, 昆虫也乱叫了起来.From the trees a few yards away a bird called once, an...