积弊
age-old (malpractice); long established (corrupt practices); deeply rooted (superstition)
棘鼻青岛龙
Tsintaosaurus spinorhinus, a 10 meter long hadrosaur with a single horn on its duck-billed snout
氨基比林
aminopyrine (loanword)
物极必反
when things reach an extreme, they can only move in the opposite direction (idiom)
趋吉避凶
to seek luck and avoid calamity (idiom)