and all across the northern hemisphere the broad leaves are hard at work. 所有北半球的阔叶树木努力生长
But it doesn't seem to work against the sunflower starfish. 不过好像在向日葵海星面前没有作用
Dusky dolphin, often in pods two hundred strong work together to reap the harvest. 200条暗色斑纹海豚聚集在一起 紧密合作,尽情收获
but it doesn't seem to work here. 不过在这里好像没有什么用处
Vigorously pumping their tails, they work up some speed 用他们有力的尾巴加速
Insects work in harmony, timing their calls to fall between the notes of others. 昆虫鸣得很和协, 他们按照时间规律来互相传达着信息
It's hard work getting noticed when you go courting in high grass. 在这么高的草丛里面求偶是很难得到关注的
the mother must work tirelessly to raise her family. 母狐狸必须拼命觅食才能养活全家
The team of whales work round the clock for the boom is short-lived. 时光短暂,座头鲸昼夜不停捕食