常见例句雙語例句The sedimentary structure mainly includes unidirectional and bidirectional cross bedding, interference and curved ripple mark, and wavy, flaser and lenticular bedding.發育雙曏和單曏交錯層理、曲線型和乾涉波痕及波狀、脈狀、透鏡狀層理； 返回 wavy bedding