Ten tiny tigers tied ten tiny ties on their tiny tails.
十只小老虎在小尾巴上打了十个小蝴蝶结。
The birds are hard to observe, as they live in a region of mountainous forest, so the researchers have attached tiny cameras to the tails of some birds, as one method of investigating their behaviour.
这些鸟很难观察，因为它们生活在山区森林里，所以研究人员在一些鸟的尾巴上安装了微型摄像机，以此作为一种研究它们行为的方法。
Others began resistance training, which for rats involves climbing a wall with tiny weights attached to their tails.
另一些大鼠开始进行抗阻力训练，即让大鼠在尾部拴着微小重物的情况下爬墙。
Next, the scientists put tiny cuffs on the tails of the mice and measured their blood pressure.
接着，科学家们使用袖珍袖带绑在老鼠的尾巴上并测量他们的血压。
Next, the scientists put tiny cuffs on the tails of the mice and measured their blood pressure.
接着，科学家们使用袖珍袖带绑在老鼠的尾巴上并测量他们的血压。
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