The researchers actually tested each rat with two different doses: 0.3 milligrams for every kilogram of weight (the rats averaged about 250 milligrams), and 1 mg per kg.
研究人员以两种剂量的药物对每只小鼠进行测试：每公斤体重0.3毫克以及1毫克。
2
You continue steady weight loss of 1 to 2 pounds (0.5 to 1 kilogram) a week until you reach your goal weight.
你将继续稳定地每周减重1-2磅（0.5-1kg），直到你达到目标体重。
3
Next every kilogram and every gram of weight that is sent to space has already been precisely calculated and treasured.