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 teacher integrates himself with the students.这位教师能和学生打成一片.What integrates so easily into both organic and inert matter.不管是有机物还是惰性物质,水都能轻而易举地与之融合成一体.The theory integrates his research findings.该理论是他研究结果的综合....