All this activity attracts the attention of blue sharks. 这些活动吸引了大青鲨的注意
three hundred thousand blue whales roamed the oceans 30万头蓝鲸让海洋看上去充满生气
but each continually changes it's color, from blue, to striped, to black 所以每条旗鱼不断变换颜色 从蓝色--有斑纹--黑色
Known as General Sherman, it's the weight of ten blue whales. 谢尔曼将军树有十头蓝鲸那么重
A male blue bird of paradise is advertising for a mate. 这只雄性蓝极乐鸟正在做征婚广告
The blue areas on the body are the cooler parts. 身上蓝色的部分是较冷的部位
That ghostly blue light is the result of a chemical reaction 这些诡异的蓝光是一种化学反应的结果