| 例句 |
Mental illness can exist for years before families are forced to acknowledge the truth.很多家庭出现精神病，但可能在多年后才会被迫承认实情。No democracy can exist without freedom of speech and freedom of the press.没有言论自由和新闻自由就不可能存在民主。Few animals can exist in the frozen wastes of the Arctic.几乎没有动物能在北极洲冰封的荒芜地区生存。Few people can exist without water for more than a week.很少有人能在断水的情况下活过一周。No animal or plant can exist without phosphorus.没有一种动物或植物离开磷能够生存。 |