night·walk·er /-ˌwɔkɚ/
夢遊病患者
nightwalker
n : terrestrial worm that burrows into and helps aerate soil;
often surfaces when the ground is cool or wet; used as
bait by anglers [syn: earthworm, angleworm, fishworm,
fishing worm, wiggler, nightcrawler, crawler, dew
worm, red worm]