低质量的句子示例
对于大多数物种来说，根本不可能。
For most species, it simply isn't possible.在大多数物种中，大自然把雄性设计得比雌性更可牺牲。
In most species, nature designed the males to be more expendable than the females.即便如此，我们发现氧气含量低于1％的自然降低足以排除大多数物种或改变其分布。
Even so, we found that natural reductions in oxygen levels of less than 1% were sufficient to exclude most species or alter their distribution..在大多数物种中，当WntA被关闭时，蝴蝶翅膀的颜色会减弱，图案褪色或标记消失。
In most species, when WntA was switched off, colours bled, patterns faded or markings disappeared.因为动物的许多行为取决于繁殖，对抗的特点是集中在单个竞争者身上，在大多数物种中，它们是雄性的。
Since much of animal behavior hinges on reproduction, confrontations characteristically center on individual competitors, and in most species they are males.
