常見例句雙語例句The sedimentary structure mainly includes unidirectional and bidirectional cross bedding, interference and curved ripple mark, and wavy, flaser and lenticular bedding.發(fā)育雙向和單向交錯層理、曲線型和干涉波痕及波狀、脈狀、透鏡狀層理； 返回 wavy bedding