He tried hard not to smile in smug self-satisfaction.他强忍住沾沾自喜的笑容。Exercise will give you a glow of satisfaction at having achieved something.运动将让你体会到一种有所成就的无比喜悦感。She never could seem to do anything right or to his satisfa...
He studied math in college.他上大学时专业是数学。I flunked math in second grade.我二年级时数学不及格。The hard math problem tripped up most of the students.这道数学难题难倒了大多数学生....