hedgehog
🇺🇸
/ˈhedʒhɔːɡ/
🇬🇧
/ˈhedʒhɒɡ/
A small mammal with a body covered in sharp spines. It can curl up into a ball for protection. Hedgehogs are mostly active at night.
The hedgehog rolled into a spiky ball when it sensed danger.
ハリネズミが危険を感じると、とげの玉に丸まりました。