1.for the first time 首次,第一次
例句:The navy was now for the first time going to find out.
现在海军将首先去加以核实 。
2.think of 机器,想起,考虑
例句:Don’t think of your product as a computer
不要把你正在设计的产品认为是计算机
3.clinical trial 临床试验,诊治试验
例句:His team is now planning a full-scale clinical trial of the cortisol treatment.
他的团队正在计划完整的可体松测试 。