A tiny ball of bat guano and sulfur.
一个蝙蝠粪和硫磺小球。
We knew we were close to the roost when we slipped on the guano.
在鸟粪上滑了一跤！我们知道已经离鸟窝很近了。
The guano is a fine bird, but great care is necessary in rearing it.
爪努是一种很好的鸟，可是饲养必须多加小心。
The guano is a fine bird, but great care is necessary in rearing it.
爪努是一种很好的鸟，可是饲养必须多加小心。
The guano is a fine bird, but great care is necessary in rearing it.
爪努是一种很好的鸟，可是饲养必须多加小心。
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