It will wait for hours at a time for signs of passing heat. 它会等待经过的热痕迹 一等就是几个小时
the most visible signs of life on our planet. 植物 是我们星球上的生命最鲜明的标志
On the coastlines, signs of the exhaustion of stocks abound. 海岸线边 充斥种群灭绝的迹象
She's febrile and has peritoneal signs. 她在发热并有腹部伤疤
more of the forest is showing positive signs of return. 有积极的迹象显示森林正在回归
But there are signs on the sand that can give it away. 但沙子的移动 却泄露了它的行踪
Those that fly above the ocean must be able to read the signs of fresh supplies, or perish. 飞越海洋的鸟类必须懂得寻找食物的踪迹, 不然就意味着死亡
signs that even here there is life. 证明即使在这里也有生命存在