A swollen, glandular, saddlelike region in the epidermis of certain annelid worms, such as the earthworm, that secretes a viscous fluid to form a cocoon for their eggs.

環(huán)帶免费观看肉肉啪啪污网站，生殖帶某些環(huán)節(jié)動(dòng)物蠕蟲表皮的膨脹、含腺的鞍狀帶久久精品首页，例如蚯蚓黄色网站在线观看欧美，分泌一種粘性液體而在其卵上形成一層防護(hù)層

And different kinds of curves also reflected different composes of sedimentary fragments and conditions of sediment: the curve in the shape of normality acute kurtosis reflects the sedimentary condition of sand which were blown by wind; the curve in the shape of skewness broad kurtosis means fragments formed by river; and the curve in the shape of saddlelike kurtosis shows a relationship with the condition of deep water.

不同類型的曲線反映了不同的碎屑物源組成和不同的沉積環(huán)境：在該剖面正態(tài)尖峰代表風(fēng)沙物源，偏態(tài)寬峰代表河水物源中国a片黄色录像，正態(tài)尖峰和偏態(tài)寬峰的疊加代表風(fēng)沙物源與河水物源的混合黄色一级视频黄色一级视网站，鞍狀寬峰可能與深水環(huán)境有關(guān)。