Suddenly a camel let out a plaintive ay, not far away.骆驼忽然哀叫了两声, 离他不远.They lay on the firm sands, listening to the plaintive cry of the seagulls.他们躺在硬实的沙地上，听着海鸥的哀鸣。Her voice was small and plaintive.她的声音微弱而哀伤。...
...the plaintive call of a whale.鲸的哀鸣They lay on the firm sands, listening to the plaintive cry of the seagulls.他们躺在硬实的沙地上，听着海鸥的哀鸣。Her voice was small and plaintive.她的声音微弱而哀伤。the bird’s plaintive call鸟儿哀伤的叫声They lay on t...
The pineal gland secretes melanin during times of relaxation and visualization.松果体在放松时分泌黑色素是明白无误的.For example, the archegonium ( female organ ) of the moss Funaria secretes sucrose.例如藓类颈卵器 ( 雌性器官 ) 分泌蔗糖.The endocrine dis...