bicentennial的复数形式为：bicentennials...

使聚集成块: 形成或使形成紧贴在一起或圆形的块体.Conglomerate: To form or cause to form into an adhering or rounded mass.啄出, 啄穿通过用嘴巴或尖器连续的击使形成 ( 一孔 )To make ( a hole, for example ) by striking repeatedly with the beak or a pointed instrument.基因...

beachcomber的复数形式为：beachcombers...

walking stick的复数形式为：walking sticks...

gonococcus的复数形式为：gonococci...

dogmatist的复数形式为：dogmatists...

ladyship的复数形式为：ladyships...