Chemical spraying and rodent poisons can be dangerous to humans.
药剂喷洒和灭鼠药可能对人类有害。
Primitive humans needed to be able to react like this to escape from dangerous animals.
原始人们需要能够像这样反应以逃脱危险的动物。
The female of this species, when protecting her nest, may be the most dangerous bird on Earth to humans.
雌性苍鹰在保护它的巢时，对人类来说很可能是地球上最危险的鸟儿。
They can be used to explore for minerals on the ocean floor or in deep areas of mines too dangerous for humans to enter.
它们可以用于海底探矿或探测对人类太危险的深层区域的矿物。
But while scientists say it's not dangerous to ingest small amounts, they cannot be definitive because there have been no tests on melamine's effects in humans.
尽管科学家说吸入少量三聚氰胺不危险，而由于没有三聚氰胺对人体影响的检测，科学家不能给出准确的定义。
O 'rahilly warns that it would be "utterly premature" and "dangerous" to translate these findings to humans.
欧来西利警告道，把这些研究成果应用与人类恐怕是“完全言之尚早”和“危险的”。
They can be used to explore for minerals on the ocean floor or in deep areas of mines too dangerous for humans to enter.
它们可以用于海底探矿，或探测对人类太危险的深层区域的矿物。
LONDON - British astrophysicist Stephen Hawking says aliens are out there, but it could be too dangerous for humans to interact with extraterrestrial life.
伦敦-英国物理学家斯蒂芬·霍金说，外星人离我们很远，但是，人类同外星生命互动可能太危险。
If the concept takes flight, cyborg moths could perhaps be used as emergency responders in places too dangerous for humans to enter.
如果这个概念在飞翔，半机械飞蛾也许可以作为紧急救援人员的地方太危险了人类进入。
They can be used to explore for minerals on the ocean floor or deep areas of mines too dangerous for humans to enter.
它们可用来海底探矿或进入对人危险的矿井深区。
They can be used to explore for minerals on the ocean floor or deep areas of mines too dangerous for humans to enter.
它们可用来海底探矿或进入对人危险的矿井深区。
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