Pigeons fluttered in and out, cooing gently.鸽子们低声咕咕地叫着，扑扇着翅膀飞进飞出。the sound of pigeons cooing鸽子咕咕的叫声The boy frightened away the pigeons from the roof.那男孩把屋顶上的鸽子吓飞了....
the sound of pigeons cooing鸽子咕咕的叫声Pigeons navigate less accurately when the earth’s magnetic field is disturbed.地球磁场受到干扰时，鸽子的道航能力就会变得不准确。The new vicar's a Marxist that'll set the cat among the pigeons!新来的牧师是马克思...
While it has lost its tranquility, the area has gained in liveliness.虽然该地区失去了往日的宁静，但是却有了生气。Amy could sense his liveliness even from where she stood.埃米从她所站的位置都能感到他活力逼人。The meeting was then at its liveliness.会议那时正开得很活跃....
The variation of the desorption activation energy of dichloromethane on activated carbons was discussed hardbase ( HSAB ) princi.主要研究了金属离子改性活性炭对二 氯甲烷 脱附活化能的影响.Antioxidant activities of six spice materials have been measu...