A ragged coat may cover an honest man.不能以衣着取人。He should just get an honest job and stop sponging off the rest of us!...他应该找一份正当的工作，不要再揩我们这些人的油了！Have the courage to be honest with yourself and about yourself...要有勇气对自己坦诚，同...
该文研究了干切牛肉冷冻干燥中使升华干燥速率最大化所需要的操作条件.The operation conditions for the sublimation rate during freeze drying of cooked beef slice were studied.搁板可加热, 这样可使升华速度加快,减少干燥周期.The baggage shelf may heat up, speeding up the sublimatio...