单词	底侧
释义	底侧 downside
随便看	mechanism of failure mechanism of fall-in mechanism of false dichotomous branching mechanism of fatigue mechanism of fatigue damage mechanism of feedback mechanism of fetal passage Mechanism of film forming mechanism of fire protection mechanism of fire resistance mechanism of firm growth mechanism of flame propagation mechanism of flame retardant mechanism of flaw propagation mechanism of flicker mechanism of floating-point value mechanism of flocculating mechanism of flocculation mechanism of floor heave Mechanism of fluid flow mechanism of fluoride removal mechanism of forage industry development mechanism of fore-warning mechanism of formation mechanism of formation and succession