四年周期

Since the Holocene, ancient climate has four times: Boreal period, Atlantic period, Sub Boreal period and Sub-Atlantic, which have about 25003000 years cycle.

全新世以来，古气候发展有四个主要阶段，并具有25003000年的周期，先后分别是前北方期－北方期、大西洋期、亚北方期、亚大西洋期。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。