1. It is animals and plants which lived in or near water whose remains are most likely to be preserved,
    只有生活在水中或水边的动植物尸体最有可能被保存下来，

2. Where mud and silt have been continuously deposited, that bodies and the like can be rapidly covered over and preserved.
    尸体之类的东西才能被迅速地覆盖而保存下来。