Class Arachnida

同根派生

Any of various arthropods of the class Arachnida, such as spiders, scorpions, mites, and ticks, characterized by four pairs of segmented legs and a body that is divided into two regions, the cephalothorax and the abdomen.
蜘蛛綱動物一種蜘蛛綱節(jié)肢動物們，如蜘蛛、蠍子、小蟲及扁虱，特征是有四對分節(jié)的腿和分爲(wèi)兩部分即頭胸部及腹部的身躰
(zoology) relating to or resembling a member of the class Arachnida
（動物學(xué)）關(guān)於蜘蛛類動物或類似蜘蛛類動物的
(zoology) relating to or resembling a member of the class Arachnida.
（動物學(xué)）蜘蛛目的或類似蜘蛛目的。
Kindly send us two samples of each class quote for.
報價時，請對每一個等級的各寄兩個樣品。
The average age of the boys in this class is fifteen.
本班男生的平均年齡是十五嵗。