请问 Split grain leather

请问 Split grain leather Split grain leather,Premium leather,Ostrich leather 分别是什么皮 , 请问,in a split of GRAIN split split split 请问she is a love split. 请问拆箱用英文怎么说?是split a case 还是split open a case? grain是什么意思 grain-free split是什么意思 Split是什么意思? The silence of the night was split by the long,shrill wail of a dingo -- the wild dog of Australia.请问这里was split by 是什么修辞手法? grain和kernel都有谷物、谷粒的意思,请问有什么区别? 请问下头层牛皮和全粒面皮革（full grain leather）有什么区别呢? we should accept other 's opinions with a grain of salt .请问这句话什么意思? 请问burst和split的详细区别,如果是裤子突然开裂,哪个更合适?