protein composition

• 蛋白质组成

protein composition的用法和样例：

例句

1. The diet consists entirely of fats and protein in portions that are precisely weighed and timed, and dieters must be monitored by a doctor.
   这种膳食完全由精确定时定量摄入的脂肪和蛋白质组成，而进食者必须由医生监督。