防止

prevent; guard against; avert; forestall; avoid; fend off; ward off; stave off; inhibit; stop; block; check; curb; deter; preclude; obviate; counteract; head off; nip in the bud; combat; frustrate; preempt; discourage; forfend; militate against; debar; keep from; put an end to; end; prevention; guard; deterrence; avoidance; prophylaxis; anti-

热量

heat; calorie; thermal energy; quantity of heat; heat quantity; amount of heat; caloric; thermal

散失

disperse; scatter; dissipate; lose; vanish; disappear; diffuse; leak; evaporate