A clear, colorless, odorless, and tasteless liquid, H2O, essential for most plant and animal life and the most widely used of all solvents.
干凈、无色、无嗅、无味的液体,H 2 O,为绝大局部动物和植物生命所必须,普遍用于一切的溶剂。
It determines their effect on the plant and animal life in the water and affects their transportation or immobilization.
这确定了它们对水中植物和动物生命的影响,也影响它们的迁移和停留。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件,而即使在这里,植物和动物的进化也用了40亿年的时间。
Scientists say that plant and animal life in thousands of lakes in the United States and Canada has already been destroyed by acid rain.
科学家们说,在美国和加拿大成千上万个湖泊中的动植物都已经因酸雨而死亡。
All the plant and animal life of a particular region.
某一特定地区的全部的植物和动物。
When this waste dumped into rivers, the water downstream becomes undrinkable and unusable for agriculture, and also kills plant and animal life in the rivers.
当这些废物排入河流,下游的水就不能喝,不能用于农业,并杀死植物和动物生命的河流。 。