Mary's much more interested in doing things for other people than feathering her own nest.相比追逐私利，玛丽更乐意帮助他人。Tame birds, when approached, will stretch out their necks and ruffle their neck feathering.驯养的鸟儿在有人靠近时会伸长脖子，...
Tame birds, when approached, will stretch out their necks and ruffle their neck feathering.驯养的鸟儿在有人靠近时会伸长脖子，竖起颈羽。Mary's much more interested in doing things for other people than feathering her own nest.相比追逐私利，玛丽更乐意...
The optimum aperture of an aerator is smallest at the water depth of 4 m.一般水深在4m左右,曝气器的最优孔径最小.You know there's some debate among chiropractors about the optimum IeveI of mattress tension.你知道吗?有些神经病理学家对最佳的床褥硬度争论不休.Th...
他总不能专心于正题而尽想着愚蠢的事情.His mind kept branching off into the contemplation of silly things.他们专心于实验.They are absorbed in the experiment.他专心于他的业务.He bent his mind to his business....