All over the world, oil spills regularly contaminate coasts.在世界各地，油溢出物经常污染着海岸。The sources of organisms that may contaminate the wound are numerous.可以沾染伤口的细菌来源是很多的.White cells contaminate the red cell and platelet compone...
The substance is extremely hydrophobic and therefore exhibits some unique properties in water.这种物质是异常疏水的,因此在水中出现某些独特的性质.Molecules with both hydrophilic and hydrophobic groups are called amphipathic or amphiphilic.分子兼有亲水的...
Pickled cucumbers, jam, pickled berries, tomatoes; you name it, they've got it.酸黄瓜、果酱、腌浆果、西红柿，凡是你说得出的，他们都有。Birds feed on nuts and berries in the winter.鸟类靠坚果和浆果过冬。We went here and there looking for berries.我们四处寻找浆果....