First, read the English article below.

Leave it to rest covered on the counter for 30 to 60 minutes. It will come to room temperature. In place of mixing your own, you can also use the spice packet that is often sold with a corned beef brisket. If you are mixing your own, try 1/4 cup of brown sugar, 1 tbsp. of pink pickling salt, 1 bay leaf and 2 crushed garlic cloves. Add 1/2 tbsp. of the following: dill seeds, black peppercorns, allspice berries and dried thyme. Add 1/4 tbsp. of hot red pepper flakes, mustard seeds, coriander seeds, celery seeds, ground ginger and whole cloves. Place it in your slow cooker. 

Now, please write a short abstract for it in Chinese. Abstract:
如果牛肉是冻住的，那么在冰箱冷藏柜中解冻牛肉24到48小时。 从冰箱中取出牛胸肉。 将腌制所用的香料混合。 将香料涂抹在牛胸肉上。